201498760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{162499}}^1$

素因数の和:162541

約数の個数: 32

約数和(自身を含む): 468000000

約数和(自身を除く): 266501240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 162499, 324998, 649996, 812495, 1299992, 1624990, 3249980, 5037469, 6499960, 10074938, 20149876, 25187345, 40299752, 50374690, 100749380, 201498760]

約数ペア:

[(1, 201498760), (2, 100749380), (4, 50374690), (5, 40299752), (8, 25187345), (10, 20149876), (20, 10074938), (31, 6499960), (40, 5037469), (62, 3249980), (124, 1624990), (155, 1299992), (248, 812495), (310, 649996), (620, 324998), (1240, 162499)]