210507980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{2083}}^1$

素因数の和:2286

約数の個数: 48

約数和(自身を含む): 459346944

約数和(自身を除く): 248838964

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 163, 310, 326, 620, 652, 815, 1630, 2083, 3260, 4166, 5053, 8332, 10106, 10415, 20212, 20830, 25265, 41660, 50530, 64573, 101060, 129146, 258292, 322865, 339529, 645730, 679058, 1291460, 1358116, 1697645, 3395290, 6790580, 10525399, 21050798, 42101596, 52626995, 105253990, 210507980]

約数ペア:

[(1, 210507980), (2, 105253990), (4, 52626995), (5, 42101596), (10, 21050798), (20, 10525399), (31, 6790580), (62, 3395290), (124, 1697645), (155, 1358116), (163, 1291460), (310, 679058), (326, 645730), (620, 339529), (652, 322865), (815, 258292), (1630, 129146), (2083, 101060), (3260, 64573), (4166, 50530), (5053, 41660), (8332, 25265), (10106, 20830), (10415, 20212)]