209499400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^3\times {\mathrm{787}}^1$

素因数の和:836

約数の個数: 96

約数和(自身を含む): 536438880

約数和(自身を除く): 326939480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 121, 200, 220, 242, 275, 440, 484, 550, 605, 787, 968, 1100, 1210, 1331, 1574, 2200, 2420, 2662, 3025, 3148, 3935, 4840, 5324, 6050, 6296, 6655, 7870, 8657, 10648, 12100, 13310, 15740, 17314, 19675, 24200, 26620, 31480, 33275, 34628, 39350, 43285, 53240, 66550, 69256, 78700, 86570, 95227, 133100, 157400, 173140, 190454, 216425, 266200, 346280, 380908, 432850, 476135, 761816, 865700, 952270, 1047497, 1731400, 1904540, 2094994, 2380675, 3809080, 4189988, 4761350, 5237485, 8379976, 9522700, 10474970, 19045400, 20949940, 26187425, 41899880, 52374850, 104749700, 209499400]

約数ペア:

[(1, 209499400), (2, 104749700), (4, 52374850), (5, 41899880), (8, 26187425), (10, 20949940), (11, 19045400), (20, 10474970), (22, 9522700), (25, 8379976), (40, 5237485), (44, 4761350), (50, 4189988), (55, 3809080), (88, 2380675), (100, 2094994), (110, 1904540), (121, 1731400), (200, 1047497), (220, 952270), (242, 865700), (275, 761816), (440, 476135), (484, 432850), (550, 380908), (605, 346280), (787, 266200), (968, 216425), (1100, 190454), (1210, 173140), (1331, 157400), (1574, 133100), (2200, 95227), (2420, 86570), (2662, 78700), (3025, 69256), (3148, 66550), (3935, 53240), (4840, 43285), (5324, 39350), (6050, 34628), (6296, 33275), (6655, 31480), (7870, 26620), (8657, 24200), (10648, 19675), (12100, 17314), (13310, 15740)]