2443867780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{15349}}^1$

素因数の和:15796

約数の個数: 48

約数和(自身を含む): 5415480000

約数和(自身を除く): 2971612220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 419, 838, 1676, 2095, 4190, 7961, 8380, 15349, 15922, 30698, 31844, 39805, 61396, 76745, 79610, 153490, 159220, 291631, 306980, 583262, 1166524, 1458155, 2916310, 5832620, 6431231, 12862462, 25724924, 32156155, 64312310, 122193389, 128624620, 244386778, 488773556, 610966945, 1221933890, 2443867780]

約数ペア:

[(1, 2443867780), (2, 1221933890), (4, 610966945), (5, 488773556), (10, 244386778), (19, 128624620), (20, 122193389), (38, 64312310), (76, 32156155), (95, 25724924), (190, 12862462), (380, 6431231), (419, 5832620), (838, 2916310), (1676, 1458155), (2095, 1166524), (4190, 583262), (7961, 306980), (8380, 291631), (15349, 159220), (15922, 153490), (30698, 79610), (31844, 76745), (39805, 61396)]