319205425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2099}}^1$

素因数の和:2206

約数の個数: 48

約数和(自身を含む): 499968000

約数和(自身を除く): 180762575

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 79, 175, 275, 385, 395, 553, 869, 1925, 1975, 2099, 2765, 4345, 6083, 10495, 13825, 14693, 21725, 23089, 30415, 52475, 73465, 115445, 152075, 161623, 165821, 367325, 577225, 808115, 829105, 1160747, 1824031, 4040575, 4145525, 5803735, 9120155, 12768217, 29018675, 45600775, 63841085, 319205425]

約数ペア:

[(1, 319205425), (5, 63841085), (7, 45600775), (11, 29018675), (25, 12768217), (35, 9120155), (55, 5803735), (77, 4145525), (79, 4040575), (175, 1824031), (275, 1160747), (385, 829105), (395, 808115), (553, 577225), (869, 367325), (1925, 165821), (1975, 161623), (2099, 152075), (2765, 115445), (4345, 73465), (6083, 52475), (10495, 30415), (13825, 23089), (14693, 21725)]