90549800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:627

約数の個数: 96

約数和(自身を含む): 233020800

約数和(自身を除く): 142471000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 79, 88, 100, 110, 158, 200, 220, 275, 316, 395, 440, 521, 550, 632, 790, 869, 1042, 1100, 1580, 1738, 1975, 2084, 2200, 2605, 3160, 3476, 3950, 4168, 4345, 5210, 5731, 6952, 7900, 8690, 10420, 11462, 13025, 15800, 17380, 20840, 21725, 22924, 26050, 28655, 34760, 41159, 43450, 45848, 52100, 57310, 82318, 86900, 104200, 114620, 143275, 164636, 173800, 205795, 229240, 286550, 329272, 411590, 452749, 573100, 823180, 905498, 1028975, 1146200, 1646360, 1810996, 2057950, 2263745, 3621992, 4115900, 4527490, 8231800, 9054980, 11318725, 18109960, 22637450, 45274900, 90549800]

約数ペア:

[(1, 90549800), (2, 45274900), (4, 22637450), (5, 18109960), (8, 11318725), (10, 9054980), (11, 8231800), (20, 4527490), (22, 4115900), (25, 3621992), (40, 2263745), (44, 2057950), (50, 1810996), (55, 1646360), (79, 1146200), (88, 1028975), (100, 905498), (110, 823180), (158, 573100), (200, 452749), (220, 411590), (275, 329272), (316, 286550), (395, 229240), (440, 205795), (521, 173800), (550, 164636), (632, 143275), (790, 114620), (869, 104200), (1042, 86900), (1100, 82318), (1580, 57310), (1738, 52100), (1975, 45848), (2084, 43450), (2200, 41159), (2605, 34760), (3160, 28655), (3476, 26050), (3950, 22924), (4168, 21725), (4345, 20840), (5210, 17380), (5731, 15800), (6952, 13025), (7900, 11462), (8690, 10420)]