30905090

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 56989440

約数和(自身を除く): 26084350

約数列:

[1, 2, 5, 10, 67, 134, 193, 239, 335, 386, 478, 670, 965, 1195, 1930, 2390, 12931, 16013, 25862, 32026, 46127, 64655, 80065, 92254, 129310, 160130, 230635, 461270, 3090509, 6181018, 15452545, 30905090]

約数ペア:

[(1, 30905090), (2, 15452545), (5, 6181018), (10, 3090509), (67, 461270), (134, 230635), (193, 160130), (239, 129310), (335, 92254), (386, 80065), (478, 64655), (670, 46127), (965, 32026), (1195, 25862), (1930, 16013), (2390, 12931)]