4988893780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{38921}}^1$

素因数の和:38989

約数の個数: 96

約数和(自身を含む): 12358513440

約数和(自身を除く): 7369619660

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 29, 34, 52, 58, 65, 68, 85, 116, 130, 145, 170, 221, 260, 290, 340, 377, 442, 493, 580, 754, 884, 986, 1105, 1508, 1885, 1972, 2210, 2465, 3770, 4420, 4930, 6409, 7540, 9860, 12818, 25636, 32045, 38921, 64090, 77842, 128180, 155684, 194605, 389210, 505973, 661657, 778420, 1011946, 1128709, 1323314, 2023892, 2257418, 2529865, 2646628, 3308285, 4514836, 5059730, 5643545, 6616570, 8601541, 10119460, 11287090, 13233140, 14673217, 17203082, 19188053, 22574180, 29346434, 34406164, 38376106, 43007705, 58692868, 73366085, 76752212, 86015410, 95940265, 146732170, 172030820, 191880530, 249444689, 293464340, 383761060, 498889378, 997778756, 1247223445, 2494446890, 4988893780]

約数ペア:

[(1, 4988893780), (2, 2494446890), (4, 1247223445), (5, 997778756), (10, 498889378), (13, 383761060), (17, 293464340), (20, 249444689), (26, 191880530), (29, 172030820), (34, 146732170), (52, 95940265), (58, 86015410), (65, 76752212), (68, 73366085), (85, 58692868), (116, 43007705), (130, 38376106), (145, 34406164), (170, 29346434), (221, 22574180), (260, 19188053), (290, 17203082), (340, 14673217), (377, 13233140), (442, 11287090), (493, 10119460), (580, 8601541), (754, 6616570), (884, 5643545), (986, 5059730), (1105, 4514836), (1508, 3308285), (1885, 2646628), (1972, 2529865), (2210, 2257418), (2465, 2023892), (3770, 1323314), (4420, 1128709), (4930, 1011946), (6409, 778420), (7540, 661657), (9860, 505973), (12818, 389210), (25636, 194605), (32045, 155684), (38921, 128180), (64090, 77842)]