30238900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{4259}}^1$

素因数の和:4344

約数の個数: 36

約数和(自身を含む): 66558240

約数和(自身を除く): 36319340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 4259, 7100, 8518, 17036, 21295, 42590, 85180, 106475, 212950, 302389, 425900, 604778, 1209556, 1511945, 3023890, 6047780, 7559725, 15119450, 30238900]

約数ペア:

[(1, 30238900), (2, 15119450), (4, 7559725), (5, 6047780), (10, 3023890), (20, 1511945), (25, 1209556), (50, 604778), (71, 425900), (100, 302389), (142, 212950), (284, 106475), (355, 85180), (710, 42590), (1420, 21295), (1775, 17036), (3550, 8518), (4259, 7100)]