619185890

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^2\times {\mathrm{2789}}^1$

素因数の和:3094

約数の個数: 24

約数和(自身を含む): 1122467220

約数和(自身を除く): 503281330

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 2789, 5578, 13945, 22201, 27890, 44402, 111005, 222010, 415561, 831122, 2077805, 4155610, 61918589, 123837178, 309592945, 619185890]

約数ペア:

[(1, 619185890), (2, 309592945), (5, 123837178), (10, 61918589), (149, 4155610), (298, 2077805), (745, 831122), (1490, 415561), (2789, 222010), (5578, 111005), (13945, 44402), (22201, 27890)]