505408020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{49843}}^1$

素因数の和:49881

約数の個数: 72

約数和(自身を含む): 1532403936

約数和(自身を除く): 1026995916

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, 507, 676, 780, 845, 1014, 1690, 2028, 2535, 3380, 5070, 10140, 49843, 99686, 149529, 199372, 249215, 299058, 498430, 598116, 647959, 747645, 996860, 1295918, 1495290, 1943877, 2591836, 2990580, 3239795, 3887754, 6479590, 7775508, 8423467, 9719385, 12959180, 16846934, 19438770, 25270401, 33693868, 38877540, 42117335, 50540802, 84234670, 101081604, 126352005, 168469340, 252704010, 505408020]

約数ペア:

[(1, 505408020), (2, 252704010), (3, 168469340), (4, 126352005), (5, 101081604), (6, 84234670), (10, 50540802), (12, 42117335), (13, 38877540), (15, 33693868), (20, 25270401), (26, 19438770), (30, 16846934), (39, 12959180), (52, 9719385), (60, 8423467), (65, 7775508), (78, 6479590), (130, 3887754), (156, 3239795), (169, 2990580), (195, 2591836), (260, 1943877), (338, 1495290), (390, 1295918), (507, 996860), (676, 747645), (780, 647959), (845, 598116), (1014, 498430), (1690, 299058), (2028, 249215), (2535, 199372), (3380, 149529), (5070, 99686), (10140, 49843)]