89119900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:511

約数の個数: 72

約数和(自身を含む): 203112000

約数和(自身を除く): 113992100

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 79, 100, 116, 145, 158, 290, 316, 389, 395, 580, 725, 778, 790, 1450, 1556, 1580, 1945, 1975, 2291, 2900, 3890, 3950, 4582, 7780, 7900, 9164, 9725, 11281, 11455, 19450, 22562, 22910, 30731, 38900, 45124, 45820, 56405, 57275, 61462, 112810, 114550, 122924, 153655, 225620, 229100, 282025, 307310, 564050, 614620, 768275, 891199, 1128100, 1536550, 1782398, 3073100, 3564796, 4455995, 8911990, 17823980, 22279975, 44559950, 89119900]

約数ペア:

[(1, 89119900), (2, 44559950), (4, 22279975), (5, 17823980), (10, 8911990), (20, 4455995), (25, 3564796), (29, 3073100), (50, 1782398), (58, 1536550), (79, 1128100), (100, 891199), (116, 768275), (145, 614620), (158, 564050), (290, 307310), (316, 282025), (389, 229100), (395, 225620), (580, 153655), (725, 122924), (778, 114550), (790, 112810), (1450, 61462), (1556, 57275), (1580, 56405), (1945, 45820), (1975, 45124), (2291, 38900), (2900, 30731), (3890, 22910), (3950, 22562), (4582, 19450), (7780, 11455), (7900, 11281), (9164, 9725)]