289062010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{3911}}^1$

素因数の和:4326

約数の個数: 32

約数和(自身を含む): 549244800

約数和(自身を除く): 260182790

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 389, 778, 1945, 3890, 3911, 7391, 7822, 14782, 19555, 36955, 39110, 73910, 74309, 148618, 371545, 743090, 1521379, 3042758, 7606895, 15213790, 28906201, 57812402, 144531005, 289062010]

約数ペア:

[(1, 289062010), (2, 144531005), (5, 57812402), (10, 28906201), (19, 15213790), (38, 7606895), (95, 3042758), (190, 1521379), (389, 743090), (778, 371545), (1945, 148618), (3890, 74309), (3911, 73910), (7391, 39110), (7822, 36955), (14782, 19555)]