193885580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{8821}}^1$

素因数の和:8994

約数の個数: 48

約数和(自身を含む): 468342336

約数和(自身を除く): 274456756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 4396, 5495, 8821, 10990, 17642, 21980, 35284, 44105, 61747, 88210, 123494, 176420, 246988, 308735, 617470, 1234940, 1384897, 2769794, 5539588, 6924485, 9694279, 13848970, 19388558, 27697940, 38777116, 48471395, 96942790, 193885580]

約数ペア:

[(1, 193885580), (2, 96942790), (4, 48471395), (5, 38777116), (7, 27697940), (10, 19388558), (14, 13848970), (20, 9694279), (28, 6924485), (35, 5539588), (70, 2769794), (140, 1384897), (157, 1234940), (314, 617470), (628, 308735), (785, 246988), (1099, 176420), (1570, 123494), (2198, 88210), (3140, 61747), (4396, 44105), (5495, 35284), (8821, 21980), (10990, 17642)]