205901860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{1637}}^1$

素因数の和:1996

約数の個数: 48

約数和(自身を含む): 456805440

約数和(自身を除く): 250903580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 331, 380, 662, 1324, 1637, 1655, 3274, 3310, 6289, 6548, 6620, 8185, 12578, 16370, 25156, 31103, 31445, 32740, 62206, 62890, 124412, 125780, 155515, 311030, 541847, 622060, 1083694, 2167388, 2709235, 5418470, 10295093, 10836940, 20590186, 41180372, 51475465, 102950930, 205901860]

約数ペア:

[(1, 205901860), (2, 102950930), (4, 51475465), (5, 41180372), (10, 20590186), (19, 10836940), (20, 10295093), (38, 5418470), (76, 2709235), (95, 2167388), (190, 1083694), (331, 622060), (380, 541847), (662, 311030), (1324, 155515), (1637, 125780), (1655, 124412), (3274, 62890), (3310, 62206), (6289, 32740), (6548, 31445), (6620, 31103), (8185, 25156), (12578, 16370)]