113857420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{449}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 247968000

約数和(自身を除く): 134110580

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 409, 449, 620, 818, 898, 1636, 1796, 2045, 2245, 4090, 4490, 8180, 8980, 12679, 13919, 25358, 27838, 50716, 55676, 63395, 69595, 126790, 139190, 183641, 253580, 278380, 367282, 734564, 918205, 1836410, 3672820, 5692871, 11385742, 22771484, 28464355, 56928710, 113857420]

約数ペア:

[(1, 113857420), (2, 56928710), (4, 28464355), (5, 22771484), (10, 11385742), (20, 5692871), (31, 3672820), (62, 1836410), (124, 918205), (155, 734564), (310, 367282), (409, 278380), (449, 253580), (620, 183641), (818, 139190), (898, 126790), (1636, 69595), (1796, 63395), (2045, 55676), (2245, 50716), (4090, 27838), (4490, 25358), (8180, 13919), (8980, 12679)]