201689380

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{1277}}^1$

素因数の和:1488

約数の個数: 48

約数和(自身を含む): 434775600

約数和(自身を除く): 233086220

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 149, 212, 265, 298, 530, 596, 745, 1060, 1277, 1490, 2554, 2980, 5108, 6385, 7897, 12770, 15794, 25540, 31588, 39485, 67681, 78970, 135362, 157940, 190273, 270724, 338405, 380546, 676810, 761092, 951365, 1353620, 1902730, 3805460, 10084469, 20168938, 40337876, 50422345, 100844690, 201689380]

約数ペア:

[(1, 201689380), (2, 100844690), (4, 50422345), (5, 40337876), (10, 20168938), (20, 10084469), (53, 3805460), (106, 1902730), (149, 1353620), (212, 951365), (265, 761092), (298, 676810), (530, 380546), (596, 338405), (745, 270724), (1060, 190273), (1277, 157940), (1490, 135362), (2554, 78970), (2980, 67681), (5108, 39485), (6385, 31588), (7897, 25540), (12770, 15794)]