1999405720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{10651}}^1$

素因数の和:10713

約数の個数: 96

約数和(自身を含む): 5113599120

約数和(自身を除く): 3114193400

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 361, 380, 494, 520, 722, 760, 988, 1235, 1444, 1805, 1976, 2470, 2888, 3610, 4693, 4940, 7220, 9386, 9880, 10651, 14440, 18772, 21302, 23465, 37544, 42604, 46930, 53255, 85208, 93860, 106510, 138463, 187720, 202369, 213020, 276926, 404738, 426040, 553852, 692315, 809476, 1011845, 1107704, 1384630, 1618952, 2023690, 2630797, 2769260, 3845011, 4047380, 5261594, 5538520, 7690022, 8094760, 10523188, 13153985, 15380044, 19225055, 21046376, 26307970, 30760088, 38450110, 49985143, 52615940, 76900220, 99970286, 105231880, 153800440, 199940572, 249925715, 399881144, 499851430, 999702860, 1999405720]

約数ペア:

[(1, 1999405720), (2, 999702860), (4, 499851430), (5, 399881144), (8, 249925715), (10, 199940572), (13, 153800440), (19, 105231880), (20, 99970286), (26, 76900220), (38, 52615940), (40, 49985143), (52, 38450110), (65, 30760088), (76, 26307970), (95, 21046376), (104, 19225055), (130, 15380044), (152, 13153985), (190, 10523188), (247, 8094760), (260, 7690022), (361, 5538520), (380, 5261594), (494, 4047380), (520, 3845011), (722, 2769260), (760, 2630797), (988, 2023690), (1235, 1618952), (1444, 1384630), (1805, 1107704), (1976, 1011845), (2470, 809476), (2888, 692315), (3610, 553852), (4693, 426040), (4940, 404738), (7220, 276926), (9386, 213020), (9880, 202369), (10651, 187720), (14440, 138463), (18772, 106510), (21302, 93860), (23465, 85208), (37544, 53255), (42604, 46930)]