628988540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{57077}}^1$

素因数の和:57134

約数の個数: 48

約数和(自身を含む): 1438365600

約数和(自身を除く): 809377060

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2755, 5510, 11020, 57077, 114154, 228308, 285385, 570770, 1084463, 1141540, 1655233, 2168926, 3310466, 4337852, 5422315, 6620932, 8276165, 10844630, 16552330, 21689260, 31449427, 33104660, 62898854, 125797708, 157247135, 314494270, 628988540]

約数ペア:

[(1, 628988540), (2, 314494270), (4, 157247135), (5, 125797708), (10, 62898854), (19, 33104660), (20, 31449427), (29, 21689260), (38, 16552330), (58, 10844630), (76, 8276165), (95, 6620932), (116, 5422315), (145, 4337852), (190, 3310466), (290, 2168926), (380, 1655233), (551, 1141540), (580, 1084463), (1102, 570770), (2204, 285385), (2755, 228308), (5510, 114154), (11020, 57077)]