73540990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{3889}}^1$

素因数の和:3988

約数の個数: 32

約数和(自身を含む): 138919680

約数和(自身を除く): 65378690

約数列:

[1, 2, 5, 10, 31, 61, 62, 122, 155, 305, 310, 610, 1891, 3782, 3889, 7778, 9455, 18910, 19445, 38890, 120559, 237229, 241118, 474458, 602795, 1186145, 1205590, 2372290, 7354099, 14708198, 36770495, 73540990]

約数ペア:

[(1, 73540990), (2, 36770495), (5, 14708198), (10, 7354099), (31, 2372290), (61, 1205590), (62, 1186145), (122, 602795), (155, 474458), (305, 241118), (310, 237229), (610, 120559), (1891, 38890), (3782, 19445), (3889, 18910), (7778, 9455)]