287172530

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{11161}}^1$

素因数の和:11282

約数の個数: 32

約数和(自身を含む): 540062208

約数和(自身を除く): 252889678

約数列:

[1, 2, 5, 10, 31, 62, 83, 155, 166, 310, 415, 830, 2573, 5146, 11161, 12865, 22322, 25730, 55805, 111610, 345991, 691982, 926363, 1729955, 1852726, 3459910, 4631815, 9263630, 28717253, 57434506, 143586265, 287172530]

約数ペア:

[(1, 287172530), (2, 143586265), (5, 57434506), (10, 28717253), (31, 9263630), (62, 4631815), (83, 3459910), (155, 1852726), (166, 1729955), (310, 926363), (415, 691982), (830, 345991), (2573, 111610), (5146, 55805), (11161, 25730), (12865, 22322)]