287455790

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1\times {\mathrm{1187}}^1$

素因数の和:1652

約数の個数: 32

約数和(自身を含む): 527671584

約数和(自身を除く): 240215794

約数列:

[1, 2, 5, 10, 61, 122, 305, 397, 610, 794, 1187, 1985, 2374, 3970, 5935, 11870, 24217, 48434, 72407, 121085, 144814, 242170, 362035, 471239, 724070, 942478, 2356195, 4712390, 28745579, 57491158, 143727895, 287455790]

約数ペア:

[(1, 287455790), (2, 143727895), (5, 57491158), (10, 28745579), (61, 4712390), (122, 2356195), (305, 942478), (397, 724070), (610, 471239), (794, 362035), (1187, 242170), (1985, 144814), (2374, 121085), (3970, 72407), (5935, 48434), (11870, 24217)]