138995430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{661883}}^1$

素因数の和:661900

約数の個数: 32

約数和(自身を含む): 381245184

約数和(自身を除く): 242249754

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 661883, 1323766, 1985649, 3309415, 3971298, 4633181, 6618830, 9266362, 9928245, 13899543, 19856490, 23165905, 27799086, 46331810, 69497715, 138995430]

約数ペア:

[(1, 138995430), (2, 69497715), (3, 46331810), (5, 27799086), (6, 23165905), (7, 19856490), (10, 13899543), (14, 9928245), (15, 9266362), (21, 6618830), (30, 4633181), (35, 3971298), (42, 3309415), (70, 1985649), (105, 1323766), (210, 661883)]