73734140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 158004000

約数和(自身を除く): 84269860

約数列:

[1, 2, 4, 5, 10, 20, 109, 149, 218, 227, 298, 436, 454, 545, 596, 745, 908, 1090, 1135, 1490, 2180, 2270, 2980, 4540, 16241, 24743, 32482, 33823, 49486, 64964, 67646, 81205, 98972, 123715, 135292, 162410, 169115, 247430, 324820, 338230, 494860, 676460, 3686707, 7373414, 14746828, 18433535, 36867070, 73734140]

約数ペア:

[(1, 73734140), (2, 36867070), (4, 18433535), (5, 14746828), (10, 7373414), (20, 3686707), (109, 676460), (149, 494860), (218, 338230), (227, 324820), (298, 247430), (436, 169115), (454, 162410), (545, 135292), (596, 123715), (745, 98972), (908, 81205), (1090, 67646), (1135, 64964), (1490, 49486), (2180, 33823), (2270, 32482), (2980, 24743), (4540, 16241)]