89099020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1031}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 195048000

約数和(自身を除く): 105948980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 290, 298, 580, 596, 745, 1031, 1490, 2062, 2980, 4124, 4321, 5155, 8642, 10310, 17284, 20620, 21605, 29899, 43210, 59798, 86420, 119596, 149495, 153619, 298990, 307238, 597980, 614476, 768095, 1536190, 3072380, 4454951, 8909902, 17819804, 22274755, 44549510, 89099020]

約数ペア:

[(1, 89099020), (2, 44549510), (4, 22274755), (5, 17819804), (10, 8909902), (20, 4454951), (29, 3072380), (58, 1536190), (116, 768095), (145, 614476), (149, 597980), (290, 307238), (298, 298990), (580, 153619), (596, 149495), (745, 119596), (1031, 86420), (1490, 59798), (2062, 43210), (2980, 29899), (4124, 21605), (4321, 20620), (5155, 17284), (8642, 10310)]