249778830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:398

約数の個数: 128

約数和(自身を含む): 709632000

約数和(自身を除く): 459853170

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 86, 105, 129, 139, 199, 210, 215, 258, 278, 301, 398, 417, 430, 597, 602, 645, 695, 834, 903, 973, 995, 1194, 1290, 1390, 1393, 1505, 1806, 1946, 1990, 2085, 2786, 2919, 2985, 3010, 4170, 4179, 4515, 4865, 5838, 5970, 5977, 6965, 8358, 8557, 9030, 9730, 11954, 13930, 14595, 17114, 17931, 20895, 25671, 27661, 29190, 29885, 35862, 41790, 41839, 42785, 51342, 55322, 59770, 59899, 82983, 83678, 85570, 89655, 119798, 125517, 128355, 138305, 165966, 179310, 179697, 193627, 209195, 251034, 256710, 276610, 299495, 359394, 387254, 414915, 418390, 580881, 598990, 627585, 829830, 898485, 968135, 1161762, 1189423, 1255170, 1796970, 1936270, 2378846, 2904405, 3568269, 5808810, 5947115, 7136538, 8325961, 11894230, 16651922, 17841345, 24977883, 35682690, 41629805, 49955766, 83259610, 124889415, 249778830]

約数ペア:

[(1, 249778830), (2, 124889415), (3, 83259610), (5, 49955766), (6, 41629805), (7, 35682690), (10, 24977883), (14, 17841345), (15, 16651922), (21, 11894230), (30, 8325961), (35, 7136538), (42, 5947115), (43, 5808810), (70, 3568269), (86, 2904405), (105, 2378846), (129, 1936270), (139, 1796970), (199, 1255170), (210, 1189423), (215, 1161762), (258, 968135), (278, 898485), (301, 829830), (398, 627585), (417, 598990), (430, 580881), (597, 418390), (602, 414915), (645, 387254), (695, 359394), (834, 299495), (903, 276610), (973, 256710), (995, 251034), (1194, 209195), (1290, 193627), (1390, 179697), (1393, 179310), (1505, 165966), (1806, 138305), (1946, 128355), (1990, 125517), (2085, 119798), (2786, 89655), (2919, 85570), (2985, 83678), (3010, 82983), (4170, 59899), (4179, 59770), (4515, 55322), (4865, 51342), (5838, 42785), (5970, 41839), (5977, 41790), (6965, 35862), (8358, 29885), (8557, 29190), (9030, 27661), (9730, 25671), (11954, 20895), (13930, 17931), (14595, 17114)]