31930210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 66044160

約数和(自身を除く): 34113950

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 59, 65, 115, 118, 130, 181, 230, 295, 299, 362, 590, 598, 767, 905, 1357, 1495, 1534, 1810, 2353, 2714, 2990, 3835, 4163, 4706, 6785, 7670, 8326, 10679, 11765, 13570, 17641, 20815, 21358, 23530, 35282, 41630, 53395, 54119, 88205, 106790, 108238, 138827, 176410, 245617, 270595, 277654, 491234, 541190, 694135, 1228085, 1388270, 2456170, 3193021, 6386042, 15965105, 31930210]

約数ペア:

[(1, 31930210), (2, 15965105), (5, 6386042), (10, 3193021), (13, 2456170), (23, 1388270), (26, 1228085), (46, 694135), (59, 541190), (65, 491234), (115, 277654), (118, 270595), (130, 245617), (181, 176410), (230, 138827), (295, 108238), (299, 106790), (362, 88205), (590, 54119), (598, 53395), (767, 41630), (905, 35282), (1357, 23530), (1495, 21358), (1534, 20815), (1810, 17641), (2353, 13570), (2714, 11765), (2990, 10679), (3835, 8326), (4163, 7670), (4706, 6785)]