211678437980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{557048521}}^1$

素因数の和:557048549

約数の個数: 24

約数和(自身を含む): 467920758480

約数和(自身を除く): 256242320500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 557048521, 1114097042, 2228194084, 2785242605, 5570485210, 10583921899, 11140970420, 21167843798, 42335687596, 52919609495, 105839218990, 211678437980]

約数ペア:

[(1, 211678437980), (2, 105839218990), (4, 52919609495), (5, 42335687596), (10, 21167843798), (19, 11140970420), (20, 10583921899), (38, 5570485210), (76, 2785242605), (95, 2228194084), (190, 1114097042), (380, 557048521)]