130900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1$

素因数の和:49

約数の個数: 72

約数和(自身を含む): 374976

約数和(自身を除く): 244076

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 25, 28, 34, 35, 44, 50, 55, 68, 70, 77, 85, 100, 110, 119, 140, 154, 170, 175, 187, 220, 238, 275, 308, 340, 350, 374, 385, 425, 476, 550, 595, 700, 748, 770, 850, 935, 1100, 1190, 1309, 1540, 1700, 1870, 1925, 2380, 2618, 2975, 3740, 3850, 4675, 5236, 5950, 6545, 7700, 9350, 11900, 13090, 18700, 26180, 32725, 65450, 130900]

約数ペア:

[(1, 130900), (2, 65450), (4, 32725), (5, 26180), (7, 18700), (10, 13090), (11, 11900), (14, 9350), (17, 7700), (20, 6545), (22, 5950), (25, 5236), (28, 4675), (34, 3850), (35, 3740), (44, 2975), (50, 2618), (55, 2380), (68, 1925), (70, 1870), (77, 1700), (85, 1540), (100, 1309), (110, 1190), (119, 1100), (140, 935), (154, 850), (170, 770), (175, 748), (187, 700), (220, 595), (238, 550), (275, 476), (308, 425), (340, 385), (350, 374)]