19548100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1367}}^1$

素因数の和:1405

約数の個数: 72

約数和(自身を含む): 49871808

約数和(自身を除く): 30323708

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 130, 143, 220, 260, 275, 286, 325, 550, 572, 650, 715, 1100, 1300, 1367, 1430, 2734, 2860, 3575, 5468, 6835, 7150, 13670, 14300, 15037, 17771, 27340, 30074, 34175, 35542, 60148, 68350, 71084, 75185, 88855, 136700, 150370, 177710, 195481, 300740, 355420, 375925, 390962, 444275, 751850, 781924, 888550, 977405, 1503700, 1777100, 1954810, 3909620, 4887025, 9774050, 19548100]

約数ペア:

[(1, 19548100), (2, 9774050), (4, 4887025), (5, 3909620), (10, 1954810), (11, 1777100), (13, 1503700), (20, 977405), (22, 888550), (25, 781924), (26, 751850), (44, 444275), (50, 390962), (52, 375925), (55, 355420), (65, 300740), (100, 195481), (110, 177710), (130, 150370), (143, 136700), (220, 88855), (260, 75185), (275, 71084), (286, 68350), (325, 60148), (550, 35542), (572, 34175), (650, 30074), (715, 27340), (1100, 17771), (1300, 15037), (1367, 14300), (1430, 13670), (2734, 7150), (2860, 6835), (3575, 5468)]