202199980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{3229}}^1$

素因数の和:3370

約数の個数: 48

約数和(自身を含む): 442794240

約数和(自身を除く): 240594260

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 101, 124, 155, 202, 310, 404, 505, 620, 1010, 2020, 3131, 3229, 6262, 6458, 12524, 12916, 15655, 16145, 31310, 32290, 62620, 64580, 100099, 200198, 326129, 400396, 500495, 652258, 1000990, 1304516, 1630645, 2001980, 3261290, 6522580, 10109999, 20219998, 40439996, 50549995, 101099990, 202199980]

約数ペア:

[(1, 202199980), (2, 101099990), (4, 50549995), (5, 40439996), (10, 20219998), (20, 10109999), (31, 6522580), (62, 3261290), (101, 2001980), (124, 1630645), (155, 1304516), (202, 1000990), (310, 652258), (404, 500495), (505, 400396), (620, 326129), (1010, 200198), (2020, 100099), (3131, 64580), (3229, 62620), (6262, 32290), (6458, 31310), (12524, 16145), (12916, 15655)]