551410140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{129439}}^1$

素因数の和:129522

約数の個数: 48

約数和(自身を含む): 1565706240

約数和(自身を除く): 1014296100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 129439, 258878, 388317, 517756, 647195, 776634, 1294390, 1553268, 1941585, 2588780, 3883170, 7766340, 9190169, 18380338, 27570507, 36760676, 45950845, 55141014, 91901690, 110282028, 137852535, 183803380, 275705070, 551410140]

約数ペア:

[(1, 551410140), (2, 275705070), (3, 183803380), (4, 137852535), (5, 110282028), (6, 91901690), (10, 55141014), (12, 45950845), (15, 36760676), (20, 27570507), (30, 18380338), (60, 9190169), (71, 7766340), (142, 3883170), (213, 2588780), (284, 1941585), (355, 1553268), (426, 1294390), (710, 776634), (852, 647195), (1065, 517756), (1420, 388317), (2130, 258878), (4260, 129439)]