210979600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{3121}}^1$

素因数の和:3165

約数の個数: 90

約数和(自身を含む): 549044286

約数和(自身を除く): 338064686

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 169, 200, 208, 260, 325, 338, 400, 520, 650, 676, 845, 1040, 1300, 1352, 1690, 2600, 2704, 3121, 3380, 4225, 5200, 6242, 6760, 8450, 12484, 13520, 15605, 16900, 24968, 31210, 33800, 40573, 49936, 62420, 67600, 78025, 81146, 124840, 156050, 162292, 202865, 249680, 312100, 324584, 405730, 527449, 624200, 649168, 811460, 1014325, 1054898, 1248400, 1622920, 2028650, 2109796, 2637245, 3245840, 4057300, 4219592, 5274490, 8114600, 8439184, 10548980, 13186225, 16229200, 21097960, 26372450, 42195920, 52744900, 105489800, 210979600]

約数ペア:

[(1, 210979600), (2, 105489800), (4, 52744900), (5, 42195920), (8, 26372450), (10, 21097960), (13, 16229200), (16, 13186225), (20, 10548980), (25, 8439184), (26, 8114600), (40, 5274490), (50, 4219592), (52, 4057300), (65, 3245840), (80, 2637245), (100, 2109796), (104, 2028650), (130, 1622920), (169, 1248400), (200, 1054898), (208, 1014325), (260, 811460), (325, 649168), (338, 624200), (400, 527449), (520, 405730), (650, 324584), (676, 312100), (845, 249680), (1040, 202865), (1300, 162292), (1352, 156050), (1690, 124840), (2600, 81146), (2704, 78025), (3121, 67600), (3380, 62420), (4225, 49936), (5200, 40573), (6242, 33800), (6760, 31210), (8450, 24968), (12484, 16900), (13520, 15605)]