4398420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5639}}^1$

素因数の和:5664

約数の個数: 48

約数和(自身を含む): 13265280

約数和(自身を除く): 8866860

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, 5639, 11278, 16917, 22556, 28195, 33834, 56390, 67668, 73307, 84585, 112780, 146614, 169170, 219921, 293228, 338340, 366535, 439842, 733070, 879684, 1099605, 1466140, 2199210, 4398420]

約数ペア:

[(1, 4398420), (2, 2199210), (3, 1466140), (4, 1099605), (5, 879684), (6, 733070), (10, 439842), (12, 366535), (13, 338340), (15, 293228), (20, 219921), (26, 169170), (30, 146614), (39, 112780), (52, 84585), (60, 73307), (65, 67668), (78, 56390), (130, 33834), (156, 28195), (195, 22556), (260, 16917), (390, 11278), (780, 5639)]