251017070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 491987520

約数和(自身を除く): 240970450

約数列:

[1, 2, 5, 10, 17, 34, 73, 85, 113, 146, 170, 179, 226, 358, 365, 565, 730, 895, 1130, 1241, 1790, 1921, 2482, 3043, 3842, 6086, 6205, 8249, 9605, 12410, 13067, 15215, 16498, 19210, 20227, 26134, 30430, 40454, 41245, 65335, 82490, 101135, 130670, 140233, 202270, 222139, 280466, 343859, 444278, 687718, 701165, 1110695, 1402330, 1476571, 1719295, 2221390, 2953142, 3438590, 7382855, 14765710, 25101707, 50203414, 125508535, 251017070]

約数ペア:

[(1, 251017070), (2, 125508535), (5, 50203414), (10, 25101707), (17, 14765710), (34, 7382855), (73, 3438590), (85, 2953142), (113, 2221390), (146, 1719295), (170, 1476571), (179, 1402330), (226, 1110695), (358, 701165), (365, 687718), (565, 444278), (730, 343859), (895, 280466), (1130, 222139), (1241, 202270), (1790, 140233), (1921, 130670), (2482, 101135), (3043, 82490), (3842, 65335), (6086, 41245), (6205, 40454), (8249, 30430), (9605, 26134), (12410, 20227), (13067, 19210), (15215, 16498)]