690900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{47}}^1$

素因数の和:78

約数の個数: 108

約数和(自身を含む): 2374848

約数和(自身を除く): 1683948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 47, 49, 50, 60, 70, 75, 84, 94, 98, 100, 105, 140, 141, 147, 150, 175, 188, 196, 210, 235, 245, 282, 294, 300, 329, 350, 420, 470, 490, 525, 564, 588, 658, 700, 705, 735, 940, 980, 987, 1050, 1175, 1225, 1316, 1410, 1470, 1645, 1974, 2100, 2303, 2350, 2450, 2820, 2940, 3290, 3525, 3675, 3948, 4606, 4700, 4900, 4935, 6580, 6909, 7050, 7350, 8225, 9212, 9870, 11515, 13818, 14100, 14700, 16450, 19740, 23030, 24675, 27636, 32900, 34545, 46060, 49350, 57575, 69090, 98700, 115150, 138180, 172725, 230300, 345450, 690900]

約数ペア:

[(1, 690900), (2, 345450), (3, 230300), (4, 172725), (5, 138180), (6, 115150), (7, 98700), (10, 69090), (12, 57575), (14, 49350), (15, 46060), (20, 34545), (21, 32900), (25, 27636), (28, 24675), (30, 23030), (35, 19740), (42, 16450), (47, 14700), (49, 14100), (50, 13818), (60, 11515), (70, 9870), (75, 9212), (84, 8225), (94, 7350), (98, 7050), (100, 6909), (105, 6580), (140, 4935), (141, 4900), (147, 4700), (150, 4606), (175, 3948), (188, 3675), (196, 3525), (210, 3290), (235, 2940), (245, 2820), (282, 2450), (294, 2350), (300, 2303), (329, 2100), (350, 1974), (420, 1645), (470, 1470), (490, 1410), (525, 1316), (564, 1225), (588, 1175), (658, 1050), (700, 987), (705, 980), (735, 940)]