1311450

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{1249}}^1$

素因数の和:1271

約数の個数: 48

約数和(自身を含む): 3720000

約数和(自身を除く): 2408550

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 1249, 2498, 3747, 6245, 7494, 8743, 12490, 17486, 18735, 26229, 31225, 37470, 43715, 52458, 62450, 87430, 93675, 131145, 187350, 218575, 262290, 437150, 655725, 1311450]

約数ペア:

[(1, 1311450), (2, 655725), (3, 437150), (5, 262290), (6, 218575), (7, 187350), (10, 131145), (14, 93675), (15, 87430), (21, 62450), (25, 52458), (30, 43715), (35, 37470), (42, 31225), (50, 26229), (70, 18735), (75, 17486), (105, 12490), (150, 8743), (175, 7494), (210, 6245), (350, 3747), (525, 2498), (1050, 1249)]