619071700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{16421}}^1$

素因数の和:16477

約数の個数: 72

約数和(自身を含む): 1496701080

約数和(自身を除く): 877629380

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 100, 116, 130, 145, 260, 290, 325, 377, 580, 650, 725, 754, 1300, 1450, 1508, 1885, 2900, 3770, 7540, 9425, 16421, 18850, 32842, 37700, 65684, 82105, 164210, 213473, 328420, 410525, 426946, 476209, 821050, 853892, 952418, 1067365, 1642100, 1904836, 2134730, 2381045, 4269460, 4762090, 5336825, 6190717, 9524180, 10673650, 11905225, 12381434, 21347300, 23810450, 24762868, 30953585, 47620900, 61907170, 123814340, 154767925, 309535850, 619071700]

約数ペア:

[(1, 619071700), (2, 309535850), (4, 154767925), (5, 123814340), (10, 61907170), (13, 47620900), (20, 30953585), (25, 24762868), (26, 23810450), (29, 21347300), (50, 12381434), (52, 11905225), (58, 10673650), (65, 9524180), (100, 6190717), (116, 5336825), (130, 4762090), (145, 4269460), (260, 2381045), (290, 2134730), (325, 1904836), (377, 1642100), (580, 1067365), (650, 952418), (725, 853892), (754, 821050), (1300, 476209), (1450, 426946), (1508, 410525), (1885, 328420), (2900, 213473), (3770, 164210), (7540, 82105), (9425, 65684), (16421, 37700), (18850, 32842)]