2900820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3719}}^1$

素因数の和:3744

約数の個数: 48

約数和(自身を含む): 8749440

約数和(自身を除く): 5848620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 3719, 7438, 11157, 14876, 18595, 22314, 37190, 44628, 48347, 55785, 74380, 96694, 111570, 145041, 193388, 223140, 241735, 290082, 483470, 580164, 725205, 966940, 1450410, 2900820]

約数ペア:

[(1, 2900820), (2, 1450410), (3, 966940), (4, 725205), (5, 580164), (6, 483470), (10, 290082), (12, 241735), (13, 223140), (15, 193388), (20, 145041), (26, 111570), (30, 96694), (39, 74380), (52, 55785), (60, 48347), (65, 44628), (78, 37190), (130, 22314), (156, 18595), (195, 14876), (260, 11157), (390, 7438), (780, 3719)]