131335260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{312703}}^1$

素因数の和:312722

約数の個数: 48

約数和(自身を含む): 420274176

約数和(自身を除く): 288938916

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 312703, 625406, 938109, 1250812, 1563515, 1876218, 2188921, 3127030, 3752436, 4377842, 4690545, 6254060, 6566763, 8755684, 9381090, 10944605, 13133526, 18762180, 21889210, 26267052, 32833815, 43778420, 65667630, 131335260]

約数ペア:

[(1, 131335260), (2, 65667630), (3, 43778420), (4, 32833815), (5, 26267052), (6, 21889210), (7, 18762180), (10, 13133526), (12, 10944605), (14, 9381090), (15, 8755684), (20, 6566763), (21, 6254060), (28, 4690545), (30, 4377842), (35, 3752436), (42, 3127030), (60, 2188921), (70, 1876218), (84, 1563515), (105, 1250812), (140, 938109), (210, 625406), (420, 312703)]