420865470

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{519587}}^1$

素因数の和:519606

約数の個数: 40

約数和(自身を含む): 1131662664

約数和(自身を除く): 710797194

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 519587, 1039174, 1558761, 2597935, 3117522, 4676283, 5195870, 7793805, 9352566, 14028849, 15587610, 23381415, 28057698, 42086547, 46762830, 70144245, 84173094, 140288490, 210432735, 420865470]

約数ペア:

[(1, 420865470), (2, 210432735), (3, 140288490), (5, 84173094), (6, 70144245), (9, 46762830), (10, 42086547), (15, 28057698), (18, 23381415), (27, 15587610), (30, 14028849), (45, 9352566), (54, 7793805), (81, 5195870), (90, 4676283), (135, 3117522), (162, 2597935), (270, 1558761), (405, 1039174), (810, 519587)]