42856870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{587}}^1$

素因数の和:757

約数の個数: 48

約数和(自身を含む): 90493200

約数和(自身を除く): 47636330

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 149, 245, 298, 490, 587, 745, 1043, 1174, 1490, 2086, 2935, 4109, 5215, 5870, 7301, 8218, 10430, 14602, 20545, 28763, 36505, 41090, 57526, 73010, 87463, 143815, 174926, 287630, 437315, 612241, 874630, 1224482, 3061205, 4285687, 6122410, 8571374, 21428435, 42856870]

約数ペア:

[(1, 42856870), (2, 21428435), (5, 8571374), (7, 6122410), (10, 4285687), (14, 3061205), (35, 1224482), (49, 874630), (70, 612241), (98, 437315), (149, 287630), (245, 174926), (298, 143815), (490, 87463), (587, 73010), (745, 57526), (1043, 41090), (1174, 36505), (1490, 28763), (2086, 20545), (2935, 14602), (4109, 10430), (5215, 8218), (5870, 7301)]