229408100

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:573

約数の個数: 72

約数和(自身を含む): 512467200

約数和(自身を除く): 283059100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 79, 100, 142, 158, 284, 316, 355, 395, 409, 710, 790, 818, 1420, 1580, 1636, 1775, 1975, 2045, 3550, 3950, 4090, 5609, 7100, 7900, 8180, 10225, 11218, 20450, 22436, 28045, 29039, 32311, 40900, 56090, 58078, 64622, 112180, 116156, 129244, 140225, 145195, 161555, 280450, 290390, 323110, 560900, 580780, 646220, 725975, 807775, 1451950, 1615550, 2294081, 2903900, 3231100, 4588162, 9176324, 11470405, 22940810, 45881620, 57352025, 114704050, 229408100]

約数ペア:

[(1, 229408100), (2, 114704050), (4, 57352025), (5, 45881620), (10, 22940810), (20, 11470405), (25, 9176324), (50, 4588162), (71, 3231100), (79, 2903900), (100, 2294081), (142, 1615550), (158, 1451950), (284, 807775), (316, 725975), (355, 646220), (395, 580780), (409, 560900), (710, 323110), (790, 290390), (818, 280450), (1420, 161555), (1580, 145195), (1636, 140225), (1775, 129244), (1975, 116156), (2045, 112180), (3550, 64622), (3950, 58078), (4090, 56090), (5609, 40900), (7100, 32311), (7900, 29039), (8180, 28045), (10225, 22436), (11218, 20450)]