421202080

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:499

約数の個数: 144

約数和(自身を含む): 1109274264

約数和(自身を除く): 688072184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 65, 74, 80, 104, 130, 148, 160, 169, 185, 208, 260, 296, 338, 370, 416, 421, 481, 520, 592, 676, 740, 842, 845, 962, 1040, 1184, 1352, 1480, 1684, 1690, 1924, 2080, 2105, 2405, 2704, 2960, 3368, 3380, 3848, 4210, 4810, 5408, 5473, 5920, 6253, 6736, 6760, 7696, 8420, 9620, 10946, 12506, 13472, 13520, 15392, 15577, 16840, 19240, 21892, 25012, 27040, 27365, 31154, 31265, 33680, 38480, 43784, 50024, 54730, 62308, 62530, 67360, 71149, 76960, 77885, 87568, 100048, 109460, 124616, 125060, 142298, 155770, 175136, 200096, 202501, 218920, 249232, 250120, 284596, 311540, 355745, 405002, 437840, 498464, 500240, 569192, 623080, 711490, 810004, 875680, 1000480, 1012505, 1138384, 1246160, 1422980, 1620008, 2025010, 2276768, 2492320, 2632513, 2845960, 3240016, 4050020, 5265026, 5691920, 6480032, 8100040, 10530052, 11383840, 13162565, 16200080, 21060104, 26325130, 32400160, 42120208, 52650260, 84240416, 105300520, 210601040, 421202080]

約数ペア:

[(1, 421202080), (2, 210601040), (4, 105300520), (5, 84240416), (8, 52650260), (10, 42120208), (13, 32400160), (16, 26325130), (20, 21060104), (26, 16200080), (32, 13162565), (37, 11383840), (40, 10530052), (52, 8100040), (65, 6480032), (74, 5691920), (80, 5265026), (104, 4050020), (130, 3240016), (148, 2845960), (160, 2632513), (169, 2492320), (185, 2276768), (208, 2025010), (260, 1620008), (296, 1422980), (338, 1246160), (370, 1138384), (416, 1012505), (421, 1000480), (481, 875680), (520, 810004), (592, 711490), (676, 623080), (740, 569192), (842, 500240), (845, 498464), (962, 437840), (1040, 405002), (1184, 355745), (1352, 311540), (1480, 284596), (1684, 250120), (1690, 249232), (1924, 218920), (2080, 202501), (2105, 200096), (2405, 175136), (2704, 155770), (2960, 142298), (3368, 125060), (3380, 124616), (3848, 109460), (4210, 100048), (4810, 87568), (5408, 77885), (5473, 76960), (5920, 71149), (6253, 67360), (6736, 62530), (6760, 62308), (7696, 54730), (8420, 50024), (9620, 43784), (10946, 38480), (12506, 33680), (13472, 31265), (13520, 31154), (15392, 27365), (15577, 27040), (16840, 25012), (19240, 21892)]