1993231520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{77377}}^1$

素因数の和:77422

約数の個数: 96

約数和(自身を含む): 5615785728

約数和(自身を除く): 3622554208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 805, 920, 1120, 1288, 1610, 1840, 2576, 3220, 3680, 5152, 6440, 12880, 25760, 77377, 154754, 309508, 386885, 541639, 619016, 773770, 1083278, 1238032, 1547540, 1779671, 2166556, 2476064, 2708195, 3095080, 3559342, 4333112, 5416390, 6190160, 7118684, 8666224, 8898355, 10832780, 12380320, 12457697, 14237368, 17332448, 17796710, 21665560, 24915394, 28474736, 35593420, 43331120, 49830788, 56949472, 62288485, 71186840, 86662240, 99661576, 124576970, 142373680, 199323152, 249153940, 284747360, 398646304, 498307880, 996615760, 1993231520]

約数ペア:

[(1, 1993231520), (2, 996615760), (4, 498307880), (5, 398646304), (7, 284747360), (8, 249153940), (10, 199323152), (14, 142373680), (16, 124576970), (20, 99661576), (23, 86662240), (28, 71186840), (32, 62288485), (35, 56949472), (40, 49830788), (46, 43331120), (56, 35593420), (70, 28474736), (80, 24915394), (92, 21665560), (112, 17796710), (115, 17332448), (140, 14237368), (160, 12457697), (161, 12380320), (184, 10832780), (224, 8898355), (230, 8666224), (280, 7118684), (322, 6190160), (368, 5416390), (460, 4333112), (560, 3559342), (644, 3095080), (736, 2708195), (805, 2476064), (920, 2166556), (1120, 1779671), (1288, 1547540), (1610, 1238032), (1840, 1083278), (2576, 773770), (3220, 619016), (3680, 541639), (5152, 386885), (6440, 309508), (12880, 154754), (25760, 77377)]