64406860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2063}}^1$

素因数の和:2302

約数の個数: 48

約数和(自身を含む): 155344896

約数和(自身を除く): 90938036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1561, 2063, 2230, 3122, 4126, 4460, 6244, 7805, 8252, 10315, 14441, 15610, 20630, 28882, 31220, 41260, 57764, 72205, 144410, 288820, 460049, 920098, 1840196, 2300245, 3220343, 4600490, 6440686, 9200980, 12881372, 16101715, 32203430, 64406860]

約数ペア:

[(1, 64406860), (2, 32203430), (4, 16101715), (5, 12881372), (7, 9200980), (10, 6440686), (14, 4600490), (20, 3220343), (28, 2300245), (35, 1840196), (70, 920098), (140, 460049), (223, 288820), (446, 144410), (892, 72205), (1115, 57764), (1561, 41260), (2063, 31220), (2230, 28882), (3122, 20630), (4126, 15610), (4460, 14441), (6244, 10315), (7805, 8252)]