861036730

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 1625184000

約数和(自身を除く): 764147270

約数列:

[1, 2, 5, 10, 43, 86, 89, 149, 151, 178, 215, 298, 302, 430, 445, 745, 755, 890, 1490, 1510, 3827, 6407, 6493, 7654, 12814, 12986, 13261, 13439, 19135, 22499, 26522, 26878, 32035, 32465, 38270, 44998, 64070, 64930, 66305, 67195, 112495, 132610, 134390, 224990, 570223, 577877, 967457, 1140446, 1155754, 1934914, 2002411, 2851115, 2889385, 4004822, 4837285, 5702230, 5778770, 9674570, 10012055, 20024110, 86103673, 172207346, 430518365, 861036730]

約数ペア:

[(1, 861036730), (2, 430518365), (5, 172207346), (10, 86103673), (43, 20024110), (86, 10012055), (89, 9674570), (149, 5778770), (151, 5702230), (178, 4837285), (215, 4004822), (298, 2889385), (302, 2851115), (430, 2002411), (445, 1934914), (745, 1155754), (755, 1140446), (890, 967457), (1490, 577877), (1510, 570223), (3827, 224990), (6407, 134390), (6493, 132610), (7654, 112495), (12814, 67195), (12986, 66305), (13261, 64930), (13439, 64070), (19135, 44998), (22499, 38270), (26522, 32465), (26878, 32035)]