127795100

素因数分解:

$2^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 285450480

約数和(自身を除く): 157655380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 89, 100, 166, 173, 178, 332, 346, 356, 415, 445, 692, 830, 865, 890, 1660, 1730, 1780, 2075, 2225, 3460, 4150, 4325, 4450, 7387, 8300, 8650, 8900, 14359, 14774, 15397, 17300, 28718, 29548, 30794, 36935, 57436, 61588, 71795, 73870, 76985, 143590, 147740, 153970, 184675, 287180, 307940, 358975, 369350, 384925, 717950, 738700, 769850, 1277951, 1435900, 1539700, 2555902, 5111804, 6389755, 12779510, 25559020, 31948775, 63897550, 127795100]

約数ペア:

[(1, 127795100), (2, 63897550), (4, 31948775), (5, 25559020), (10, 12779510), (20, 6389755), (25, 5111804), (50, 2555902), (83, 1539700), (89, 1435900), (100, 1277951), (166, 769850), (173, 738700), (178, 717950), (332, 384925), (346, 369350), (356, 358975), (415, 307940), (445, 287180), (692, 184675), (830, 153970), (865, 147740), (890, 143590), (1660, 76985), (1730, 73870), (1780, 71795), (2075, 61588), (2225, 57436), (3460, 36935), (4150, 30794), (4325, 29548), (4450, 28718), (7387, 17300), (8300, 15397), (8650, 14774), (8900, 14359)]