257267150

素因数分解:

$2^1\times 5^2\times 7^4\times {\mathrm{2143}}^1$

素因数の和:2183

約数の個数: 60

約数和(自身を含む): 558496992

約数和(自身を除く): 301229842

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 343, 350, 490, 686, 1225, 1715, 2143, 2401, 2450, 3430, 4286, 4802, 8575, 10715, 12005, 15001, 17150, 21430, 24010, 30002, 53575, 60025, 75005, 105007, 107150, 120050, 150010, 210014, 375025, 525035, 735049, 750050, 1050070, 1470098, 2625175, 3675245, 5145343, 5250350, 7350490, 10290686, 18376225, 25726715, 36752450, 51453430, 128633575, 257267150]

約数ペア:

[(1, 257267150), (2, 128633575), (5, 51453430), (7, 36752450), (10, 25726715), (14, 18376225), (25, 10290686), (35, 7350490), (49, 5250350), (50, 5145343), (70, 3675245), (98, 2625175), (175, 1470098), (245, 1050070), (343, 750050), (350, 735049), (490, 525035), (686, 375025), (1225, 210014), (1715, 150010), (2143, 120050), (2401, 107150), (2450, 105007), (3430, 75005), (4286, 60025), (4802, 53575), (8575, 30002), (10715, 24010), (12005, 21430), (15001, 17150)]