144942260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1997}}^1$

素因数の和:2216

約数の個数: 48

約数和(自身を含む): 322237440

約数和(自身を除く): 177295180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 191, 380, 382, 764, 955, 1910, 1997, 3629, 3820, 3994, 7258, 7988, 9985, 14516, 18145, 19970, 36290, 37943, 39940, 72580, 75886, 151772, 189715, 379430, 381427, 758860, 762854, 1525708, 1907135, 3814270, 7247113, 7628540, 14494226, 28988452, 36235565, 72471130, 144942260]

約数ペア:

[(1, 144942260), (2, 72471130), (4, 36235565), (5, 28988452), (10, 14494226), (19, 7628540), (20, 7247113), (38, 3814270), (76, 1907135), (95, 1525708), (190, 762854), (191, 758860), (380, 381427), (382, 379430), (764, 189715), (955, 151772), (1910, 75886), (1997, 72580), (3629, 39940), (3820, 37943), (3994, 36290), (7258, 19970), (7988, 18145), (9985, 14516)]