4268940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{421}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 12973968

約数和(自身を除く): 8705028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 421, 507, 676, 780, 842, 845, 1014, 1263, 1684, 1690, 2028, 2105, 2526, 2535, 3380, 4210, 5052, 5070, 5473, 6315, 8420, 10140, 10946, 12630, 16419, 21892, 25260, 27365, 32838, 54730, 65676, 71149, 82095, 109460, 142298, 164190, 213447, 284596, 328380, 355745, 426894, 711490, 853788, 1067235, 1422980, 2134470, 4268940]

約数ペア:

[(1, 4268940), (2, 2134470), (3, 1422980), (4, 1067235), (5, 853788), (6, 711490), (10, 426894), (12, 355745), (13, 328380), (15, 284596), (20, 213447), (26, 164190), (30, 142298), (39, 109460), (52, 82095), (60, 71149), (65, 65676), (78, 54730), (130, 32838), (156, 27365), (169, 25260), (195, 21892), (260, 16419), (338, 12630), (390, 10946), (421, 10140), (507, 8420), (676, 6315), (780, 5473), (842, 5070), (845, 5052), (1014, 4210), (1263, 3380), (1684, 2535), (1690, 2526), (2028, 2105)]