87267820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{307}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 187675488

約数和(自身を除く): 100407668

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 233, 244, 305, 307, 466, 610, 614, 932, 1165, 1220, 1228, 1535, 2330, 3070, 4660, 6140, 14213, 18727, 28426, 37454, 56852, 71065, 71531, 74908, 93635, 142130, 143062, 187270, 284260, 286124, 357655, 374540, 715310, 1430620, 4363391, 8726782, 17453564, 21816955, 43633910, 87267820]

約数ペア:

[(1, 87267820), (2, 43633910), (4, 21816955), (5, 17453564), (10, 8726782), (20, 4363391), (61, 1430620), (122, 715310), (233, 374540), (244, 357655), (305, 286124), (307, 284260), (466, 187270), (610, 143062), (614, 142130), (932, 93635), (1165, 74908), (1220, 71531), (1228, 71065), (1535, 56852), (2330, 37454), (3070, 28426), (4660, 18727), (6140, 14213)]