31120700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{647}}^1$

素因数の和:711

約数の個数: 72

約数和(自身を含む): 74807712

約数和(自身を除く): 43687012

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 37, 50, 52, 65, 74, 100, 130, 148, 185, 260, 325, 370, 481, 647, 650, 740, 925, 962, 1294, 1300, 1850, 1924, 2405, 2588, 3235, 3700, 4810, 6470, 8411, 9620, 12025, 12940, 16175, 16822, 23939, 24050, 32350, 33644, 42055, 47878, 48100, 64700, 84110, 95756, 119695, 168220, 210275, 239390, 311207, 420550, 478780, 598475, 622414, 841100, 1196950, 1244828, 1556035, 2393900, 3112070, 6224140, 7780175, 15560350, 31120700]

約数ペア:

[(1, 31120700), (2, 15560350), (4, 7780175), (5, 6224140), (10, 3112070), (13, 2393900), (20, 1556035), (25, 1244828), (26, 1196950), (37, 841100), (50, 622414), (52, 598475), (65, 478780), (74, 420550), (100, 311207), (130, 239390), (148, 210275), (185, 168220), (260, 119695), (325, 95756), (370, 84110), (481, 64700), (647, 48100), (650, 47878), (740, 42055), (925, 33644), (962, 32350), (1294, 24050), (1300, 23939), (1850, 16822), (1924, 16175), (2405, 12940), (2588, 12025), (3235, 9620), (3700, 8411), (4810, 6470)]