220299640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{521}}^1$

素因数の和:605

約数の個数: 96

約数和(自身を含む): 559813680

約数和(自身を除く): 339514040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 521, 620, 682, 961, 1042, 1240, 1364, 1705, 1922, 2084, 2605, 2728, 3410, 3844, 4168, 4805, 5210, 5731, 6820, 7688, 9610, 10420, 10571, 11462, 13640, 16151, 19220, 20840, 21142, 22924, 28655, 32302, 38440, 42284, 45848, 52855, 57310, 64604, 80755, 84568, 105710, 114620, 129208, 161510, 177661, 211420, 229240, 323020, 355322, 422840, 500681, 646040, 710644, 888305, 1001362, 1421288, 1776610, 2002724, 2503405, 3553220, 4005448, 5006810, 5507491, 7106440, 10013620, 11014982, 20027240, 22029964, 27537455, 44059928, 55074910, 110149820, 220299640]

約数ペア:

[(1, 220299640), (2, 110149820), (4, 55074910), (5, 44059928), (8, 27537455), (10, 22029964), (11, 20027240), (20, 11014982), (22, 10013620), (31, 7106440), (40, 5507491), (44, 5006810), (55, 4005448), (62, 3553220), (88, 2503405), (110, 2002724), (124, 1776610), (155, 1421288), (220, 1001362), (248, 888305), (310, 710644), (341, 646040), (440, 500681), (521, 422840), (620, 355322), (682, 323020), (961, 229240), (1042, 211420), (1240, 177661), (1364, 161510), (1705, 129208), (1922, 114620), (2084, 105710), (2605, 84568), (2728, 80755), (3410, 64604), (3844, 57310), (4168, 52855), (4805, 45848), (5210, 42284), (5731, 38440), (6820, 32302), (7688, 28655), (9610, 22924), (10420, 21142), (10571, 20840), (11462, 19220), (13640, 16151)]