393951180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2851}}^1$

素因数の和:2924

約数の個数: 144

約数和(自身を含む): 1310916096

約数和(自身を除く): 916964916

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 49, 60, 70, 84, 94, 98, 105, 140, 141, 147, 188, 196, 210, 235, 245, 282, 294, 329, 420, 470, 490, 564, 588, 658, 705, 735, 940, 980, 987, 1316, 1410, 1470, 1645, 1974, 2303, 2820, 2851, 2940, 3290, 3948, 4606, 4935, 5702, 6580, 6909, 8553, 9212, 9870, 11404, 11515, 13818, 14255, 17106, 19740, 19957, 23030, 27636, 28510, 34212, 34545, 39914, 42765, 46060, 57020, 59871, 69090, 79828, 85530, 99785, 119742, 133997, 138180, 139699, 171060, 199570, 239484, 267994, 279398, 299355, 399140, 401991, 419097, 535988, 558796, 598710, 669985, 698495, 803982, 838194, 937979, 1197420, 1339970, 1396990, 1607964, 1676388, 1875958, 2009955, 2095485, 2679940, 2793980, 2813937, 3751916, 4019910, 4190970, 4689895, 5627874, 6565853, 8039820, 8381940, 9379790, 11255748, 13131706, 14069685, 18759580, 19697559, 26263412, 28139370, 32829265, 39395118, 56278740, 65658530, 78790236, 98487795, 131317060, 196975590, 393951180]

約数ペア:

[(1, 393951180), (2, 196975590), (3, 131317060), (4, 98487795), (5, 78790236), (6, 65658530), (7, 56278740), (10, 39395118), (12, 32829265), (14, 28139370), (15, 26263412), (20, 19697559), (21, 18759580), (28, 14069685), (30, 13131706), (35, 11255748), (42, 9379790), (47, 8381940), (49, 8039820), (60, 6565853), (70, 5627874), (84, 4689895), (94, 4190970), (98, 4019910), (105, 3751916), (140, 2813937), (141, 2793980), (147, 2679940), (188, 2095485), (196, 2009955), (210, 1875958), (235, 1676388), (245, 1607964), (282, 1396990), (294, 1339970), (329, 1197420), (420, 937979), (470, 838194), (490, 803982), (564, 698495), (588, 669985), (658, 598710), (705, 558796), (735, 535988), (940, 419097), (980, 401991), (987, 399140), (1316, 299355), (1410, 279398), (1470, 267994), (1645, 239484), (1974, 199570), (2303, 171060), (2820, 139699), (2851, 138180), (2940, 133997), (3290, 119742), (3948, 99785), (4606, 85530), (4935, 79828), (5702, 69090), (6580, 59871), (6909, 57020), (8553, 46060), (9212, 42765), (9870, 39914), (11404, 34545), (11515, 34212), (13818, 28510), (14255, 27636), (17106, 23030), (19740, 19957)]