220192005

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 395974656

約数和(自身を除く): 175782651

約数列:

[1, 3, 5, 11, 15, 33, 55, 61, 131, 165, 167, 183, 305, 393, 501, 655, 671, 835, 915, 1441, 1837, 1965, 2013, 2505, 3355, 4323, 5511, 7205, 7991, 9185, 10065, 10187, 21615, 21877, 23973, 27555, 30561, 39955, 50935, 65631, 87901, 109385, 112057, 119865, 152805, 240647, 263703, 328155, 336171, 439505, 560285, 721941, 1203235, 1318515, 1334497, 1680855, 3609705, 4003491, 6672485, 14679467, 20017455, 44038401, 73397335, 220192005]

約数ペア:

[(1, 220192005), (3, 73397335), (5, 44038401), (11, 20017455), (15, 14679467), (33, 6672485), (55, 4003491), (61, 3609705), (131, 1680855), (165, 1334497), (167, 1318515), (183, 1203235), (305, 721941), (393, 560285), (501, 439505), (655, 336171), (671, 328155), (835, 263703), (915, 240647), (1441, 152805), (1837, 119865), (1965, 112057), (2013, 109385), (2505, 87901), (3355, 65631), (4323, 50935), (5511, 39955), (7205, 30561), (7991, 27555), (9185, 23973), (10065, 21877), (10187, 21615)]