248461590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20551}}^1$

素因数の和:20605

約数の個数: 64

約数和(自身を含む): 662925312

約数和(自身を除く): 414463722

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2418, 4030, 6045, 12090, 20551, 41102, 61653, 102755, 123306, 205510, 267163, 308265, 534326, 616530, 637081, 801489, 1274162, 1335815, 1602978, 1911243, 2671630, 3185405, 3822486, 4007445, 6370810, 8014890, 8282053, 9556215, 16564106, 19112430, 24846159, 41410265, 49692318, 82820530, 124230795, 248461590]

約数ペア:

[(1, 248461590), (2, 124230795), (3, 82820530), (5, 49692318), (6, 41410265), (10, 24846159), (13, 19112430), (15, 16564106), (26, 9556215), (30, 8282053), (31, 8014890), (39, 6370810), (62, 4007445), (65, 3822486), (78, 3185405), (93, 2671630), (130, 1911243), (155, 1602978), (186, 1335815), (195, 1274162), (310, 801489), (390, 637081), (403, 616530), (465, 534326), (806, 308265), (930, 267163), (1209, 205510), (2015, 123306), (2418, 102755), (4030, 61653), (6045, 41102), (12090, 20551)]