1880553620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{275741}}^1$

素因数の和:275792

約数の個数: 48

約数和(自身を含む): 4447166976

約数和(自身を除く): 2566613356

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 275741, 551482, 1102964, 1378705, 2757410, 3033151, 5514820, 6066302, 8547971, 12132604, 15165755, 17095942, 30331510, 34191884, 42739855, 60663020, 85479710, 94027681, 170959420, 188055362, 376110724, 470138405, 940276810, 1880553620]

約数ペア:

[(1, 1880553620), (2, 940276810), (4, 470138405), (5, 376110724), (10, 188055362), (11, 170959420), (20, 94027681), (22, 85479710), (31, 60663020), (44, 42739855), (55, 34191884), (62, 30331510), (110, 17095942), (124, 15165755), (155, 12132604), (220, 8547971), (310, 6066302), (341, 5514820), (620, 3033151), (682, 2757410), (1364, 1378705), (1705, 1102964), (3410, 551482), (6820, 275741)]