2637800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{109}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 6802950

約数和(自身を除く): 4165150

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 109, 110, 121, 200, 218, 220, 242, 275, 436, 440, 484, 545, 550, 605, 872, 968, 1090, 1100, 1199, 1210, 2180, 2200, 2398, 2420, 2725, 3025, 4360, 4796, 4840, 5450, 5995, 6050, 9592, 10900, 11990, 12100, 13189, 21800, 23980, 24200, 26378, 29975, 47960, 52756, 59950, 65945, 105512, 119900, 131890, 239800, 263780, 329725, 527560, 659450, 1318900, 2637800]

約数ペア:

[(1, 2637800), (2, 1318900), (4, 659450), (5, 527560), (8, 329725), (10, 263780), (11, 239800), (20, 131890), (22, 119900), (25, 105512), (40, 65945), (44, 59950), (50, 52756), (55, 47960), (88, 29975), (100, 26378), (109, 24200), (110, 23980), (121, 21800), (200, 13189), (218, 12100), (220, 11990), (242, 10900), (275, 9592), (436, 6050), (440, 5995), (484, 5450), (545, 4840), (550, 4796), (605, 4360), (872, 3025), (968, 2725), (1090, 2420), (1100, 2398), (1199, 2200), (1210, 2180)]