3365980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 7499520

約数和(自身を除く): 4133540

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 89, 122, 124, 155, 178, 244, 305, 310, 356, 445, 610, 620, 890, 1220, 1780, 1891, 2759, 3782, 5429, 5518, 7564, 9455, 10858, 11036, 13795, 18910, 21716, 27145, 27590, 37820, 54290, 55180, 108580, 168299, 336598, 673196, 841495, 1682990, 3365980]

約数ペア:

[(1, 3365980), (2, 1682990), (4, 841495), (5, 673196), (10, 336598), (20, 168299), (31, 108580), (61, 55180), (62, 54290), (89, 37820), (122, 27590), (124, 27145), (155, 21716), (178, 18910), (244, 13795), (305, 11036), (310, 10858), (356, 9455), (445, 7564), (610, 5518), (620, 5429), (890, 3782), (1220, 2759), (1780, 1891)]