2891900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{239}}^1$

素因数の和:275

約数の個数: 54

約数和(自身を含む): 6926640

約数和(自身を除く): 4034740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 239, 242, 275, 478, 484, 550, 605, 956, 1100, 1195, 1210, 2390, 2420, 2629, 3025, 4780, 5258, 5975, 6050, 10516, 11950, 12100, 13145, 23900, 26290, 28919, 52580, 57838, 65725, 115676, 131450, 144595, 262900, 289190, 578380, 722975, 1445950, 2891900]

約数ペア:

[(1, 2891900), (2, 1445950), (4, 722975), (5, 578380), (10, 289190), (11, 262900), (20, 144595), (22, 131450), (25, 115676), (44, 65725), (50, 57838), (55, 52580), (100, 28919), (110, 26290), (121, 23900), (220, 13145), (239, 12100), (242, 11950), (275, 10516), (478, 6050), (484, 5975), (550, 5258), (605, 4780), (956, 3025), (1100, 2629), (1195, 2420), (1210, 2390)]