1900580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 4463424

約数和(自身を除く): 2562844

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 163, 212, 220, 265, 326, 530, 583, 652, 815, 1060, 1166, 1630, 1793, 2332, 2915, 3260, 3586, 5830, 7172, 8639, 8965, 11660, 17278, 17930, 34556, 35860, 43195, 86390, 95029, 172780, 190058, 380116, 475145, 950290, 1900580]

約数ペア:

[(1, 1900580), (2, 950290), (4, 475145), (5, 380116), (10, 190058), (11, 172780), (20, 95029), (22, 86390), (44, 43195), (53, 35860), (55, 34556), (106, 17930), (110, 17278), (163, 11660), (212, 8965), (220, 8639), (265, 7172), (326, 5830), (530, 3586), (583, 3260), (652, 2915), (815, 2332), (1060, 1793), (1166, 1630)]