748821740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{2953}}^1$

素因数の和:3402

約数の個数: 48

約数和(自身を含む): 1627772160

約数和(自身を除く): 878950420

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 409, 620, 818, 1636, 2045, 2953, 4090, 5906, 8180, 11812, 12679, 14765, 25358, 29530, 50716, 59060, 63395, 91543, 126790, 183086, 253580, 366172, 457715, 915430, 1207777, 1830860, 2415554, 4831108, 6038885, 12077770, 24155540, 37441087, 74882174, 149764348, 187205435, 374410870, 748821740]

約数ペア:

[(1, 748821740), (2, 374410870), (4, 187205435), (5, 149764348), (10, 74882174), (20, 37441087), (31, 24155540), (62, 12077770), (124, 6038885), (155, 4831108), (310, 2415554), (409, 1830860), (620, 1207777), (818, 915430), (1636, 457715), (2045, 366172), (2953, 253580), (4090, 183086), (5906, 126790), (8180, 91543), (11812, 63395), (12679, 59060), (14765, 50716), (25358, 29530)]