1239450940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:612

約数の個数: 192

約数和(自身を含む): 3425264640

約数和(自身を除く): 2185813700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 73, 76, 91, 95, 130, 133, 140, 146, 182, 190, 247, 260, 266, 292, 364, 365, 380, 455, 491, 494, 511, 532, 665, 730, 910, 949, 982, 988, 1022, 1235, 1330, 1387, 1460, 1729, 1820, 1898, 1964, 2044, 2455, 2470, 2555, 2660, 2774, 3437, 3458, 3796, 4745, 4910, 4940, 5110, 5548, 6383, 6643, 6874, 6916, 6935, 8645, 9329, 9490, 9709, 9820, 10220, 12766, 13286, 13748, 13870, 17185, 17290, 18031, 18658, 18980, 19418, 25532, 26572, 27740, 31915, 33215, 34370, 34580, 35843, 36062, 37316, 38836, 44681, 46645, 48545, 63830, 65303, 66430, 68740, 71686, 72124, 89362, 90155, 93290, 97090, 121277, 126217, 127660, 130606, 132860, 143372, 178724, 179215, 180310, 186580, 194180, 223405, 242554, 250901, 252434, 261212, 326515, 358430, 360620, 446810, 465959, 485108, 501802, 504868, 606385, 631085, 653030, 681017, 716860, 848939, 893620, 931918, 1003604, 1212770, 1254505, 1262170, 1306060, 1362034, 1697878, 1863836, 2329795, 2425540, 2509010, 2524340, 2724068, 3261713, 3395756, 3405085, 4244695, 4659590, 4767119, 5018020, 6523426, 6810170, 8489390, 8853221, 9319180, 9534238, 13046852, 13620340, 16308565, 16978780, 17706442, 19068476, 23835595, 32617130, 35412884, 44266105, 47671190, 61972547, 65234260, 88532210, 95342380, 123945094, 177064420, 247890188, 309862735, 619725470, 1239450940]

約数ペア:

[(1, 1239450940), (2, 619725470), (4, 309862735), (5, 247890188), (7, 177064420), (10, 123945094), (13, 95342380), (14, 88532210), (19, 65234260), (20, 61972547), (26, 47671190), (28, 44266105), (35, 35412884), (38, 32617130), (52, 23835595), (65, 19068476), (70, 17706442), (73, 16978780), (76, 16308565), (91, 13620340), (95, 13046852), (130, 9534238), (133, 9319180), (140, 8853221), (146, 8489390), (182, 6810170), (190, 6523426), (247, 5018020), (260, 4767119), (266, 4659590), (292, 4244695), (364, 3405085), (365, 3395756), (380, 3261713), (455, 2724068), (491, 2524340), (494, 2509010), (511, 2425540), (532, 2329795), (665, 1863836), (730, 1697878), (910, 1362034), (949, 1306060), (982, 1262170), (988, 1254505), (1022, 1212770), (1235, 1003604), (1330, 931918), (1387, 893620), (1460, 848939), (1729, 716860), (1820, 681017), (1898, 653030), (1964, 631085), (2044, 606385), (2455, 504868), (2470, 501802), (2555, 485108), (2660, 465959), (2774, 446810), (3437, 360620), (3458, 358430), (3796, 326515), (4745, 261212), (4910, 252434), (4940, 250901), (5110, 242554), (5548, 223405), (6383, 194180), (6643, 186580), (6874, 180310), (6916, 179215), (6935, 178724), (8645, 143372), (9329, 132860), (9490, 130606), (9709, 127660), (9820, 126217), (10220, 121277), (12766, 97090), (13286, 93290), (13748, 90155), (13870, 89362), (17185, 72124), (17290, 71686), (18031, 68740), (18658, 66430), (18980, 65303), (19418, 63830), (25532, 48545), (26572, 46645), (27740, 44681), (31915, 38836), (33215, 37316), (34370, 36062), (34580, 35843)]