90273430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{4423}}^1$

素因数の和:4600

約数の個数: 32

約数和(自身を含む): 176145984

約数和(自身を除く): 85872554

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 314, 785, 1570, 2041, 4082, 4423, 8846, 10205, 20410, 22115, 44230, 57499, 114998, 287495, 574990, 694411, 1388822, 3472055, 6944110, 9027343, 18054686, 45136715, 90273430]

約数ペア:

[(1, 90273430), (2, 45136715), (5, 18054686), (10, 9027343), (13, 6944110), (26, 3472055), (65, 1388822), (130, 694411), (157, 574990), (314, 287495), (785, 114998), (1570, 57499), (2041, 44230), (4082, 22115), (4423, 20410), (8846, 10205)]