2012191570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{7681}}^1$

素因数の和:7795

約数の個数: 64

約数和(自身を含む): 4061995776

約数和(自身を除く): 2049804206

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 67, 85, 115, 134, 170, 230, 335, 391, 670, 782, 1139, 1541, 1955, 2278, 3082, 3910, 5695, 7681, 7705, 11390, 15362, 15410, 26197, 38405, 52394, 76810, 130577, 130985, 176663, 261154, 261970, 353326, 514627, 652885, 883315, 1029254, 1305770, 1766630, 2573135, 3003271, 5146270, 6006542, 8748659, 11836421, 15016355, 17497318, 23672842, 30032710, 43743295, 59182105, 87486590, 118364210, 201219157, 402438314, 1006095785, 2012191570]

約数ペア:

[(1, 2012191570), (2, 1006095785), (5, 402438314), (10, 201219157), (17, 118364210), (23, 87486590), (34, 59182105), (46, 43743295), (67, 30032710), (85, 23672842), (115, 17497318), (134, 15016355), (170, 11836421), (230, 8748659), (335, 6006542), (391, 5146270), (670, 3003271), (782, 2573135), (1139, 1766630), (1541, 1305770), (1955, 1029254), (2278, 883315), (3082, 652885), (3910, 514627), (5695, 353326), (7681, 261970), (7705, 261154), (11390, 176663), (15362, 130985), (15410, 130577), (26197, 76810), (38405, 52394)]