285972920

素因数分解:

$2^3\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{6553}}^1$

素因数の和:7655

約数の個数: 32

約数和(自身を含む): 644127120

約数和(自身を除く): 358154200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1091, 2182, 4364, 5455, 6553, 8728, 10910, 13106, 21820, 26212, 32765, 43640, 52424, 65530, 131060, 262120, 7149323, 14298646, 28597292, 35746615, 57194584, 71493230, 142986460, 285972920]

約数ペア:

[(1, 285972920), (2, 142986460), (4, 71493230), (5, 57194584), (8, 35746615), (10, 28597292), (20, 14298646), (40, 7149323), (1091, 262120), (2182, 131060), (4364, 65530), (5455, 52424), (6553, 43640), (8728, 32765), (10910, 26212), (13106, 21820)]