289419220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{16061}}^1$

素因数の和:16140

約数の個数: 48

約数和(自身を含む): 655715088

約数和(自身を除く): 366295868

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1060, 1802, 3604, 4505, 9010, 16061, 18020, 32122, 64244, 80305, 160610, 273037, 321220, 546074, 851233, 1092148, 1365185, 1702466, 2730370, 3404932, 4256165, 5460740, 8512330, 14470961, 17024660, 28941922, 57883844, 72354805, 144709610, 289419220]

約数ペア:

[(1, 289419220), (2, 144709610), (4, 72354805), (5, 57883844), (10, 28941922), (17, 17024660), (20, 14470961), (34, 8512330), (53, 5460740), (68, 4256165), (85, 3404932), (106, 2730370), (170, 1702466), (212, 1365185), (265, 1092148), (340, 851233), (530, 546074), (901, 321220), (1060, 273037), (1802, 160610), (3604, 80305), (4505, 64244), (9010, 32122), (16061, 18020)]