2238860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 5174400

約数和(自身を除く): 2935540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 109, 130, 158, 218, 260, 316, 395, 436, 545, 790, 1027, 1090, 1417, 1580, 2054, 2180, 2834, 4108, 5135, 5668, 7085, 8611, 10270, 14170, 17222, 20540, 28340, 34444, 43055, 86110, 111943, 172220, 223886, 447772, 559715, 1119430, 2238860]

約数ペア:

[(1, 2238860), (2, 1119430), (4, 559715), (5, 447772), (10, 223886), (13, 172220), (20, 111943), (26, 86110), (52, 43055), (65, 34444), (79, 28340), (109, 20540), (130, 17222), (158, 14170), (218, 10270), (260, 8611), (316, 7085), (395, 5668), (436, 5135), (545, 4108), (790, 2834), (1027, 2180), (1090, 2054), (1417, 1580)]