398186040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:510

約数の個数: 256

約数和(自身を含む): 1464192000

約数和(自身を除く): 1066005960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 61, 70, 76, 84, 95, 105, 114, 120, 122, 133, 140, 152, 168, 183, 190, 210, 228, 244, 266, 280, 285, 305, 366, 380, 399, 409, 420, 427, 456, 488, 532, 570, 610, 665, 732, 760, 798, 818, 840, 854, 915, 1064, 1140, 1159, 1220, 1227, 1281, 1330, 1464, 1596, 1636, 1708, 1830, 1995, 2045, 2135, 2280, 2318, 2440, 2454, 2562, 2660, 2863, 3192, 3272, 3416, 3477, 3660, 3990, 4090, 4270, 4636, 4908, 5124, 5320, 5726, 5795, 6135, 6405, 6954, 7320, 7771, 7980, 8113, 8180, 8540, 8589, 9272, 9816, 10248, 11452, 11590, 12270, 12810, 13908, 14315, 15542, 15960, 16226, 16360, 17080, 17178, 17385, 22904, 23180, 23313, 24339, 24540, 24949, 25620, 27816, 28630, 31084, 32452, 34356, 34770, 38855, 40565, 42945, 46360, 46626, 48678, 49080, 49898, 51240, 54397, 57260, 62168, 64904, 68712, 69540, 74847, 77710, 81130, 85890, 93252, 97356, 99796, 108794, 114520, 116565, 121695, 124745, 139080, 149694, 155420, 162260, 163191, 171780, 174643, 186504, 194712, 199592, 217588, 233130, 243390, 249490, 271985, 299388, 310840, 324520, 326382, 343560, 349286, 374235, 435176, 466260, 474031, 486780, 498980, 523929, 543970, 598776, 652764, 698572, 748470, 815955, 873215, 932520, 948062, 973560, 997960, 1047858, 1087940, 1305528, 1397144, 1422093, 1496940, 1631910, 1746430, 1896124, 2095716, 2175880, 2370155, 2619645, 2844186, 2993880, 3263820, 3318217, 3492860, 3792248, 4191432, 4740310, 5239290, 5688372, 6527640, 6636434, 6985720, 7110465, 9480620, 9954651, 10478580, 11376744, 13272868, 14220930, 16591085, 18961240, 19909302, 20957160, 26545736, 28441860, 33182170, 39818604, 49773255, 56883720, 66364340, 79637208, 99546510, 132728680, 199093020, 398186040]

約数ペア:

[(1, 398186040), (2, 199093020), (3, 132728680), (4, 99546510), (5, 79637208), (6, 66364340), (7, 56883720), (8, 49773255), (10, 39818604), (12, 33182170), (14, 28441860), (15, 26545736), (19, 20957160), (20, 19909302), (21, 18961240), (24, 16591085), (28, 14220930), (30, 13272868), (35, 11376744), (38, 10478580), (40, 9954651), (42, 9480620), (56, 7110465), (57, 6985720), (60, 6636434), (61, 6527640), (70, 5688372), (76, 5239290), (84, 4740310), (95, 4191432), (105, 3792248), (114, 3492860), (120, 3318217), (122, 3263820), (133, 2993880), (140, 2844186), (152, 2619645), (168, 2370155), (183, 2175880), (190, 2095716), (210, 1896124), (228, 1746430), (244, 1631910), (266, 1496940), (280, 1422093), (285, 1397144), (305, 1305528), (366, 1087940), (380, 1047858), (399, 997960), (409, 973560), (420, 948062), (427, 932520), (456, 873215), (488, 815955), (532, 748470), (570, 698572), (610, 652764), (665, 598776), (732, 543970), (760, 523929), (798, 498980), (818, 486780), (840, 474031), (854, 466260), (915, 435176), (1064, 374235), (1140, 349286), (1159, 343560), (1220, 326382), (1227, 324520), (1281, 310840), (1330, 299388), (1464, 271985), (1596, 249490), (1636, 243390), (1708, 233130), (1830, 217588), (1995, 199592), (2045, 194712), (2135, 186504), (2280, 174643), (2318, 171780), (2440, 163191), (2454, 162260), (2562, 155420), (2660, 149694), (2863, 139080), (3192, 124745), (3272, 121695), (3416, 116565), (3477, 114520), (3660, 108794), (3990, 99796), (4090, 97356), (4270, 93252), (4636, 85890), (4908, 81130), (5124, 77710), (5320, 74847), (5726, 69540), (5795, 68712), (6135, 64904), (6405, 62168), (6954, 57260), (7320, 54397), (7771, 51240), (7980, 49898), (8113, 49080), (8180, 48678), (8540, 46626), (8589, 46360), (9272, 42945), (9816, 40565), (10248, 38855), (11452, 34770), (11590, 34356), (12270, 32452), (12810, 31084), (13908, 28630), (14315, 27816), (15542, 25620), (15960, 24949), (16226, 24540), (16360, 24339), (17080, 23313), (17178, 23180), (17385, 22904)]