890249630

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{26839}}^1$

素因数の和:26984

約数の個数: 32

約数和(自身を含む): 1669662720

約数和(自身を除く): 779413090

約数列:

[1, 2, 5, 10, 31, 62, 107, 155, 214, 310, 535, 1070, 3317, 6634, 16585, 26839, 33170, 53678, 134195, 268390, 832009, 1664018, 2871773, 4160045, 5743546, 8320090, 14358865, 28717730, 89024963, 178049926, 445124815, 890249630]

約数ペア:

[(1, 890249630), (2, 445124815), (5, 178049926), (10, 89024963), (31, 28717730), (62, 14358865), (107, 8320090), (155, 5743546), (214, 4160045), (310, 2871773), (535, 1664018), (1070, 832009), (3317, 268390), (6634, 134195), (16585, 53678), (26839, 33170)]