149745340

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1\times {\mathrm{383}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 319915008

約数和(自身を除く): 170169668

約数列:

[1, 2, 4, 5, 10, 20, 113, 173, 226, 346, 383, 452, 565, 692, 766, 865, 1130, 1532, 1730, 1915, 2260, 3460, 3830, 7660, 19549, 39098, 43279, 66259, 78196, 86558, 97745, 132518, 173116, 195490, 216395, 265036, 331295, 390980, 432790, 662590, 865580, 1325180, 7487267, 14974534, 29949068, 37436335, 74872670, 149745340]

約数ペア:

[(1, 149745340), (2, 74872670), (4, 37436335), (5, 29949068), (10, 14974534), (20, 7487267), (113, 1325180), (173, 865580), (226, 662590), (346, 432790), (383, 390980), (452, 331295), (565, 265036), (692, 216395), (766, 195490), (865, 173116), (1130, 132518), (1532, 97745), (1730, 86558), (1915, 78196), (2260, 66259), (3460, 43279), (3830, 39098), (7660, 19549)]