30212980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3221}}^1$

素因数の和:3304

約数の個数: 48

約数和(自身を含む): 73616256

約数和(自身を除く): 43403276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 3221, 4690, 6442, 9380, 12884, 16105, 22547, 32210, 45094, 64420, 90188, 112735, 215807, 225470, 431614, 450940, 863228, 1079035, 1510649, 2158070, 3021298, 4316140, 6042596, 7553245, 15106490, 30212980]

約数ペア:

[(1, 30212980), (2, 15106490), (4, 7553245), (5, 6042596), (7, 4316140), (10, 3021298), (14, 2158070), (20, 1510649), (28, 1079035), (35, 863228), (67, 450940), (70, 431614), (134, 225470), (140, 215807), (268, 112735), (335, 90188), (469, 64420), (670, 45094), (938, 32210), (1340, 22547), (1876, 16105), (2345, 12884), (3221, 9380), (4690, 6442)]