290655160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{1361}}^1$

素因数の和:1672

約数の個数: 64

約数和(自身を含む): 691351200

約数和(自身を除く): 400696040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 281, 380, 562, 760, 1124, 1361, 1405, 2248, 2722, 2810, 5339, 5444, 5620, 6805, 10678, 10888, 11240, 13610, 21356, 25859, 26695, 27220, 42712, 51718, 53390, 54440, 103436, 106780, 129295, 206872, 213560, 258590, 382441, 517180, 764882, 1034360, 1529764, 1912205, 3059528, 3824410, 7266379, 7648820, 14532758, 15297640, 29065516, 36331895, 58131032, 72663790, 145327580, 290655160]

約数ペア:

[(1, 290655160), (2, 145327580), (4, 72663790), (5, 58131032), (8, 36331895), (10, 29065516), (19, 15297640), (20, 14532758), (38, 7648820), (40, 7266379), (76, 3824410), (95, 3059528), (152, 1912205), (190, 1529764), (281, 1034360), (380, 764882), (562, 517180), (760, 382441), (1124, 258590), (1361, 213560), (1405, 206872), (2248, 129295), (2722, 106780), (2810, 103436), (5339, 54440), (5444, 53390), (5620, 51718), (6805, 42712), (10678, 27220), (10888, 26695), (11240, 25859), (13610, 21356)]