261143740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{91309}}^1$

素因数の和:91342

約数の個数: 48

約数和(自身を含む): 644283360

約数和(自身を除く): 383139620

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 91309, 182618, 365236, 456545, 913090, 1004399, 1187017, 1826180, 2008798, 2374034, 4017596, 4748068, 5021995, 5935085, 10043990, 11870170, 13057187, 20087980, 23740340, 26114374, 52228748, 65285935, 130571870, 261143740]

約数ペア:

[(1, 261143740), (2, 130571870), (4, 65285935), (5, 52228748), (10, 26114374), (11, 23740340), (13, 20087980), (20, 13057187), (22, 11870170), (26, 10043990), (44, 5935085), (52, 5021995), (55, 4748068), (65, 4017596), (110, 2374034), (130, 2008798), (143, 1826180), (220, 1187017), (260, 1004399), (286, 913090), (572, 456545), (715, 365236), (1430, 182618), (2860, 91309)]