90072400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1861}}^1$

素因数の和:1901

約数の個数: 90

約数和(自身を含む): 237987806

約数和(自身を除く): 147915406

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 121, 176, 200, 220, 242, 275, 400, 440, 484, 550, 605, 880, 968, 1100, 1210, 1861, 1936, 2200, 2420, 3025, 3722, 4400, 4840, 6050, 7444, 9305, 9680, 12100, 14888, 18610, 20471, 24200, 29776, 37220, 40942, 46525, 48400, 74440, 81884, 93050, 102355, 148880, 163768, 186100, 204710, 225181, 327536, 372200, 409420, 450362, 511775, 744400, 818840, 900724, 1023550, 1125905, 1637680, 1801448, 2047100, 2251810, 3602896, 4094200, 4503620, 5629525, 8188400, 9007240, 11259050, 18014480, 22518100, 45036200, 90072400]

約数ペア:

[(1, 90072400), (2, 45036200), (4, 22518100), (5, 18014480), (8, 11259050), (10, 9007240), (11, 8188400), (16, 5629525), (20, 4503620), (22, 4094200), (25, 3602896), (40, 2251810), (44, 2047100), (50, 1801448), (55, 1637680), (80, 1125905), (88, 1023550), (100, 900724), (110, 818840), (121, 744400), (176, 511775), (200, 450362), (220, 409420), (242, 372200), (275, 327536), (400, 225181), (440, 204710), (484, 186100), (550, 163768), (605, 148880), (880, 102355), (968, 93050), (1100, 81884), (1210, 74440), (1861, 48400), (1936, 46525), (2200, 40942), (2420, 37220), (3025, 29776), (3722, 24200), (4400, 20471), (4840, 18610), (6050, 14888), (7444, 12100), (9305, 9680)]