389907960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{10867}}^1$

素因数の和:10917

約数の個数: 128

約数和(自身を含む): 1314593280

約数和(自身を除く): 924685320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 2392, 2760, 2990, 3588, 4485, 5980, 7176, 8970, 10867, 11960, 17940, 21734, 32601, 35880, 43468, 54335, 65202, 86936, 108670, 130404, 141271, 163005, 217340, 249941, 260808, 282542, 326010, 423813, 434680, 499882, 565084, 652020, 706355, 749823, 847626, 999764, 1130168, 1249705, 1304040, 1412710, 1499646, 1695252, 1999528, 2119065, 2499410, 2825420, 2999292, 3249233, 3390504, 3749115, 4238130, 4998820, 5650840, 5998584, 6498466, 7498230, 8476260, 9747699, 9997640, 12996932, 14996460, 16246165, 16952520, 19495398, 25993864, 29992920, 32492330, 38990796, 48738495, 64984660, 77981592, 97476990, 129969320, 194953980, 389907960]

約数ペア:

[(1, 389907960), (2, 194953980), (3, 129969320), (4, 97476990), (5, 77981592), (6, 64984660), (8, 48738495), (10, 38990796), (12, 32492330), (13, 29992920), (15, 25993864), (20, 19495398), (23, 16952520), (24, 16246165), (26, 14996460), (30, 12996932), (39, 9997640), (40, 9747699), (46, 8476260), (52, 7498230), (60, 6498466), (65, 5998584), (69, 5650840), (78, 4998820), (92, 4238130), (104, 3749115), (115, 3390504), (120, 3249233), (130, 2999292), (138, 2825420), (156, 2499410), (184, 2119065), (195, 1999528), (230, 1695252), (260, 1499646), (276, 1412710), (299, 1304040), (312, 1249705), (345, 1130168), (390, 999764), (460, 847626), (520, 749823), (552, 706355), (598, 652020), (690, 565084), (780, 499882), (897, 434680), (920, 423813), (1196, 326010), (1380, 282542), (1495, 260808), (1560, 249941), (1794, 217340), (2392, 163005), (2760, 141271), (2990, 130404), (3588, 108670), (4485, 86936), (5980, 65202), (7176, 54335), (8970, 43468), (10867, 35880), (11960, 32601), (17940, 21734)]