628304860

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1\times {\mathrm{1607}}^1$

素因数の和:1902

約数の個数: 48

約数和(自身を含む): 1339644096

約数和(自身を除く): 711339236

約数列:

[1, 2, 4, 5, 10, 20, 113, 173, 226, 346, 452, 565, 692, 865, 1130, 1607, 1730, 2260, 3214, 3460, 6428, 8035, 16070, 19549, 32140, 39098, 78196, 97745, 181591, 195490, 278011, 363182, 390980, 556022, 726364, 907955, 1112044, 1390055, 1815910, 2780110, 3631820, 5560220, 31415243, 62830486, 125660972, 157076215, 314152430, 628304860]

約数ペア:

[(1, 628304860), (2, 314152430), (4, 157076215), (5, 125660972), (10, 62830486), (20, 31415243), (113, 5560220), (173, 3631820), (226, 2780110), (346, 1815910), (452, 1390055), (565, 1112044), (692, 907955), (865, 726364), (1130, 556022), (1607, 390980), (1730, 363182), (2260, 278011), (3214, 195490), (3460, 181591), (6428, 97745), (8035, 78196), (16070, 39098), (19549, 32140)]