71272100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 162156288

約数和(自身を除く): 90884188

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 83, 100, 124, 155, 166, 277, 310, 332, 415, 554, 620, 775, 830, 1108, 1385, 1550, 1660, 2075, 2573, 2770, 3100, 4150, 5146, 5540, 6925, 8300, 8587, 10292, 12865, 13850, 17174, 22991, 25730, 27700, 34348, 42935, 45982, 51460, 64325, 85870, 91964, 114955, 128650, 171740, 214675, 229910, 257300, 429350, 459820, 574775, 712721, 858700, 1149550, 1425442, 2299100, 2850884, 3563605, 7127210, 14254420, 17818025, 35636050, 71272100]

約数ペア:

[(1, 71272100), (2, 35636050), (4, 17818025), (5, 14254420), (10, 7127210), (20, 3563605), (25, 2850884), (31, 2299100), (50, 1425442), (62, 1149550), (83, 858700), (100, 712721), (124, 574775), (155, 459820), (166, 429350), (277, 257300), (310, 229910), (332, 214675), (415, 171740), (554, 128650), (620, 114955), (775, 91964), (830, 85870), (1108, 64325), (1385, 51460), (1550, 45982), (1660, 42935), (2075, 34348), (2573, 27700), (2770, 25730), (3100, 22991), (4150, 17174), (5146, 13850), (5540, 12865), (6925, 10292), (8300, 8587)]