490689025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{487}}^1\times {\mathrm{983}}^1$

素因数の和:1521

約数の個数: 24

約数和(自身を含む): 625209984

約数和(自身を除く): 134520959

約数列:

[1, 5, 25, 41, 205, 487, 983, 1025, 2435, 4915, 12175, 19967, 24575, 40303, 99835, 201515, 478721, 499175, 1007575, 2393605, 11968025, 19627561, 98137805, 490689025]

約数ペア:

[(1, 490689025), (5, 98137805), (25, 19627561), (41, 11968025), (205, 2393605), (487, 1007575), (983, 499175), (1025, 478721), (2435, 201515), (4915, 99835), (12175, 40303), (19967, 24575)]