67921340

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 145673472

約数和(自身を除く): 77752132

約数列:

[1, 2, 4, 5, 10, 20, 97, 157, 194, 223, 314, 388, 446, 485, 628, 785, 892, 970, 1115, 1570, 1940, 2230, 3140, 4460, 15229, 21631, 30458, 35011, 43262, 60916, 70022, 76145, 86524, 108155, 140044, 152290, 175055, 216310, 304580, 350110, 432620, 700220, 3396067, 6792134, 13584268, 16980335, 33960670, 67921340]

約数ペア:

[(1, 67921340), (2, 33960670), (4, 16980335), (5, 13584268), (10, 6792134), (20, 3396067), (97, 700220), (157, 432620), (194, 350110), (223, 304580), (314, 216310), (388, 175055), (446, 152290), (485, 140044), (628, 108155), (785, 86524), (892, 76145), (970, 70022), (1115, 60916), (1570, 43262), (1940, 35011), (2230, 30458), (3140, 21631), (4460, 15229)]