74165780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2617}}^1$

素因数の和:2748

約数の個数: 48

約数和(自身を含む): 169332240

約数和(自身を除く): 95166460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2617, 2834, 5234, 5668, 7085, 10468, 13085, 14170, 26170, 28340, 34021, 52340, 68042, 136084, 170105, 285253, 340210, 570506, 680420, 1141012, 1426265, 2852530, 3708289, 5705060, 7416578, 14833156, 18541445, 37082890, 74165780]

約数ペア:

[(1, 74165780), (2, 37082890), (4, 18541445), (5, 14833156), (10, 7416578), (13, 5705060), (20, 3708289), (26, 2852530), (52, 1426265), (65, 1141012), (109, 680420), (130, 570506), (218, 340210), (260, 285253), (436, 170105), (545, 136084), (1090, 68042), (1417, 52340), (2180, 34021), (2617, 28340), (2834, 26170), (5234, 14170), (5668, 13085), (7085, 10468)]