7974980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{829}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 18545520

約数和(自身を除く): 10570540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 829, 962, 1658, 1924, 2405, 3316, 4145, 4810, 8290, 9620, 10777, 16580, 21554, 30673, 43108, 53885, 61346, 107770, 122692, 153365, 215540, 306730, 398749, 613460, 797498, 1594996, 1993745, 3987490, 7974980]

約数ペア:

[(1, 7974980), (2, 3987490), (4, 1993745), (5, 1594996), (10, 797498), (13, 613460), (20, 398749), (26, 306730), (37, 215540), (52, 153365), (65, 122692), (74, 107770), (130, 61346), (148, 53885), (185, 43108), (260, 30673), (370, 21554), (481, 16580), (740, 10777), (829, 9620), (962, 8290), (1658, 4810), (1924, 4145), (2405, 3316)]