2153800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 5566050

約数和(自身を除く): 3412250

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 89, 100, 110, 121, 178, 200, 220, 242, 275, 356, 440, 445, 484, 550, 605, 712, 890, 968, 979, 1100, 1210, 1780, 1958, 2200, 2225, 2420, 3025, 3560, 3916, 4450, 4840, 4895, 6050, 7832, 8900, 9790, 10769, 12100, 17800, 19580, 21538, 24200, 24475, 39160, 43076, 48950, 53845, 86152, 97900, 107690, 195800, 215380, 269225, 430760, 538450, 1076900, 2153800]

約数ペア:

[(1, 2153800), (2, 1076900), (4, 538450), (5, 430760), (8, 269225), (10, 215380), (11, 195800), (20, 107690), (22, 97900), (25, 86152), (40, 53845), (44, 48950), (50, 43076), (55, 39160), (88, 24475), (89, 24200), (100, 21538), (110, 19580), (121, 17800), (178, 12100), (200, 10769), (220, 9790), (242, 8900), (275, 7832), (356, 6050), (440, 4895), (445, 4840), (484, 4450), (550, 3916), (605, 3560), (712, 3025), (890, 2420), (968, 2225), (979, 2200), (1100, 1958), (1210, 1780)]