2788890725

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{487}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 3669931776

約数和(自身を除く): 881041051

約数列:

[1, 5, 25, 37, 41, 151, 185, 205, 487, 755, 925, 1025, 1517, 2435, 3775, 5587, 6191, 7585, 12175, 18019, 19967, 27935, 30955, 37925, 73537, 90095, 99835, 139675, 154775, 229067, 367685, 450475, 499175, 738779, 1145335, 1838425, 2720869, 3015017, 3693895, 5726675, 13604345, 15075085, 18469475, 68021725, 75375425, 111555629, 557778145, 2788890725]

約数ペア:

[(1, 2788890725), (5, 557778145), (25, 111555629), (37, 75375425), (41, 68021725), (151, 18469475), (185, 15075085), (205, 13604345), (487, 5726675), (755, 3693895), (925, 3015017), (1025, 2720869), (1517, 1838425), (2435, 1145335), (3775, 738779), (5587, 499175), (6191, 450475), (7585, 367685), (12175, 229067), (18019, 154775), (19967, 139675), (27935, 99835), (30955, 90095), (37925, 73537)]