400933680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:464

約数の個数: 240

約数和(自身を含む): 1464263424

約数和(自身を除く): 1063329744

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 103, 105, 112, 120, 140, 147, 168, 196, 206, 210, 240, 245, 280, 294, 309, 331, 336, 392, 412, 420, 490, 515, 560, 588, 618, 662, 721, 735, 784, 824, 840, 980, 993, 1030, 1176, 1236, 1324, 1442, 1470, 1545, 1648, 1655, 1680, 1960, 1986, 2060, 2163, 2317, 2352, 2472, 2648, 2884, 2940, 3090, 3310, 3605, 3920, 3972, 4120, 4326, 4634, 4944, 4965, 5047, 5296, 5768, 5880, 6180, 6620, 6951, 7210, 7944, 8240, 8652, 9268, 9930, 10094, 10815, 11536, 11585, 11760, 12360, 13240, 13902, 14420, 15141, 15888, 16219, 17304, 18536, 19860, 20188, 21630, 23170, 24720, 25235, 26480, 27804, 28840, 30282, 32438, 34093, 34608, 34755, 37072, 39720, 40376, 43260, 46340, 48657, 50470, 55608, 57680, 60564, 64876, 68186, 69510, 75705, 79440, 80752, 81095, 86520, 92680, 97314, 100940, 102279, 111216, 121128, 129752, 136372, 139020, 151410, 162190, 170465, 173040, 185360, 194628, 201880, 204558, 238651, 242256, 243285, 259504, 272744, 278040, 302820, 324380, 340930, 389256, 403760, 409116, 477302, 486570, 511395, 545488, 556080, 605640, 648760, 681860, 715953, 778512, 818232, 954604, 973140, 1022790, 1193255, 1211280, 1297520, 1363720, 1431906, 1636464, 1670557, 1909208, 1946280, 2045580, 2386510, 2727440, 2863812, 3341114, 3579765, 3818416, 3892560, 4091160, 4773020, 5011671, 5727624, 6682228, 7159530, 8182320, 8352785, 9546040, 10023342, 11455248, 13364456, 14319060, 16705570, 19092080, 20046684, 25058355, 26728912, 28638120, 33411140, 40093368, 50116710, 57276240, 66822280, 80186736, 100233420, 133644560, 200466840, 400933680]

約数ペア:

[(1, 400933680), (2, 200466840), (3, 133644560), (4, 100233420), (5, 80186736), (6, 66822280), (7, 57276240), (8, 50116710), (10, 40093368), (12, 33411140), (14, 28638120), (15, 26728912), (16, 25058355), (20, 20046684), (21, 19092080), (24, 16705570), (28, 14319060), (30, 13364456), (35, 11455248), (40, 10023342), (42, 9546040), (48, 8352785), (49, 8182320), (56, 7159530), (60, 6682228), (70, 5727624), (80, 5011671), (84, 4773020), (98, 4091160), (103, 3892560), (105, 3818416), (112, 3579765), (120, 3341114), (140, 2863812), (147, 2727440), (168, 2386510), (196, 2045580), (206, 1946280), (210, 1909208), (240, 1670557), (245, 1636464), (280, 1431906), (294, 1363720), (309, 1297520), (331, 1211280), (336, 1193255), (392, 1022790), (412, 973140), (420, 954604), (490, 818232), (515, 778512), (560, 715953), (588, 681860), (618, 648760), (662, 605640), (721, 556080), (735, 545488), (784, 511395), (824, 486570), (840, 477302), (980, 409116), (993, 403760), (1030, 389256), (1176, 340930), (1236, 324380), (1324, 302820), (1442, 278040), (1470, 272744), (1545, 259504), (1648, 243285), (1655, 242256), (1680, 238651), (1960, 204558), (1986, 201880), (2060, 194628), (2163, 185360), (2317, 173040), (2352, 170465), (2472, 162190), (2648, 151410), (2884, 139020), (2940, 136372), (3090, 129752), (3310, 121128), (3605, 111216), (3920, 102279), (3972, 100940), (4120, 97314), (4326, 92680), (4634, 86520), (4944, 81095), (4965, 80752), (5047, 79440), (5296, 75705), (5768, 69510), (5880, 68186), (6180, 64876), (6620, 60564), (6951, 57680), (7210, 55608), (7944, 50470), (8240, 48657), (8652, 46340), (9268, 43260), (9930, 40376), (10094, 39720), (10815, 37072), (11536, 34755), (11585, 34608), (11760, 34093), (12360, 32438), (13240, 30282), (13902, 28840), (14420, 27804), (15141, 26480), (15888, 25235), (16219, 24720), (17304, 23170), (18536, 21630), (19860, 20188)]