187817540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{2281}}^1$

素因数の和:2492

約数の個数: 48

約数和(自身を含む): 414046080

約数和(自身を除く): 226228540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 179, 230, 358, 460, 716, 895, 1790, 2281, 3580, 4117, 4562, 8234, 9124, 11405, 16468, 20585, 22810, 41170, 45620, 52463, 82340, 104926, 209852, 262315, 408299, 524630, 816598, 1049260, 1633196, 2041495, 4082990, 8165980, 9390877, 18781754, 37563508, 46954385, 93908770, 187817540]

約数ペア:

[(1, 187817540), (2, 93908770), (4, 46954385), (5, 37563508), (10, 18781754), (20, 9390877), (23, 8165980), (46, 4082990), (92, 2041495), (115, 1633196), (179, 1049260), (230, 816598), (358, 524630), (460, 408299), (716, 262315), (895, 209852), (1790, 104926), (2281, 82340), (3580, 52463), (4117, 45620), (4562, 41170), (8234, 22810), (9124, 20585), (11405, 16468)]