72084580

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 155337840

約数和(自身を除く): 83253260

約数列:

[1, 2, 4, 5, 10, 20, 73, 97, 146, 194, 292, 365, 388, 485, 509, 730, 970, 1018, 1460, 1940, 2036, 2545, 5090, 7081, 10180, 14162, 28324, 35405, 37157, 49373, 70810, 74314, 98746, 141620, 148628, 185785, 197492, 246865, 371570, 493730, 743140, 987460, 3604229, 7208458, 14416916, 18021145, 36042290, 72084580]

約数ペア:

[(1, 72084580), (2, 36042290), (4, 18021145), (5, 14416916), (10, 7208458), (20, 3604229), (73, 987460), (97, 743140), (146, 493730), (194, 371570), (292, 246865), (365, 197492), (388, 185785), (485, 148628), (509, 141620), (730, 98746), (970, 74314), (1018, 70810), (1460, 49373), (1940, 37157), (2036, 35405), (2545, 28324), (5090, 14162), (7081, 10180)]