270560620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{20161}}^1$

素因数の和:20242

約数の個数: 48

約数和(自身を含む): 630022176

約数和(自身を除く): 359461556

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6710, 13420, 20161, 40322, 80644, 100805, 201610, 221771, 403220, 443542, 887084, 1108855, 1229821, 2217710, 2459642, 4435420, 4919284, 6149105, 12298210, 13528031, 24596420, 27056062, 54112124, 67640155, 135280310, 270560620]

約数ペア:

[(1, 270560620), (2, 135280310), (4, 67640155), (5, 54112124), (10, 27056062), (11, 24596420), (20, 13528031), (22, 12298210), (44, 6149105), (55, 4919284), (61, 4435420), (110, 2459642), (122, 2217710), (220, 1229821), (244, 1108855), (305, 887084), (610, 443542), (671, 403220), (1220, 221771), (1342, 201610), (2684, 100805), (3355, 80644), (6710, 40322), (13420, 20161)]