873990320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{42181}}^1$

素因数の和:42238

約数の個数: 80

約数和(自身を含む): 2385139008

約数和(自身を除く): 1511148688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1295, 1480, 2072, 2590, 2960, 4144, 5180, 10360, 20720, 42181, 84362, 168724, 210905, 295267, 337448, 421810, 590534, 674896, 843620, 1181068, 1476335, 1560697, 1687240, 2362136, 2952670, 3121394, 3374480, 4724272, 5905340, 6242788, 7803485, 10924879, 11810680, 12485576, 15606970, 21849758, 23621360, 24971152, 31213940, 43699516, 54624395, 62427880, 87399032, 109248790, 124855760, 174798064, 218497580, 436995160, 873990320]

約数ペア:

[(1, 873990320), (2, 436995160), (4, 218497580), (5, 174798064), (7, 124855760), (8, 109248790), (10, 87399032), (14, 62427880), (16, 54624395), (20, 43699516), (28, 31213940), (35, 24971152), (37, 23621360), (40, 21849758), (56, 15606970), (70, 12485576), (74, 11810680), (80, 10924879), (112, 7803485), (140, 6242788), (148, 5905340), (185, 4724272), (259, 3374480), (280, 3121394), (296, 2952670), (370, 2362136), (518, 1687240), (560, 1560697), (592, 1476335), (740, 1181068), (1036, 843620), (1295, 674896), (1480, 590534), (2072, 421810), (2590, 337448), (2960, 295267), (4144, 210905), (5180, 168724), (10360, 84362), (20720, 42181)]