221636240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3631}}^1$

素因数の和:3760

約数の個数: 80

約数和(自身を含む): 594485760

約数和(自身を除く): 372849520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 763, 872, 1090, 1526, 1744, 2180, 3052, 3631, 3815, 4360, 6104, 7262, 7630, 8720, 12208, 14524, 15260, 18155, 25417, 29048, 30520, 36310, 50834, 58096, 61040, 72620, 101668, 127085, 145240, 203336, 254170, 290480, 395779, 406672, 508340, 791558, 1016680, 1583116, 1978895, 2033360, 2770453, 3166232, 3957790, 5540906, 6332464, 7915580, 11081812, 13852265, 15831160, 22163624, 27704530, 31662320, 44327248, 55409060, 110818120, 221636240]

約数ペア:

[(1, 221636240), (2, 110818120), (4, 55409060), (5, 44327248), (7, 31662320), (8, 27704530), (10, 22163624), (14, 15831160), (16, 13852265), (20, 11081812), (28, 7915580), (35, 6332464), (40, 5540906), (56, 3957790), (70, 3166232), (80, 2770453), (109, 2033360), (112, 1978895), (140, 1583116), (218, 1016680), (280, 791558), (436, 508340), (545, 406672), (560, 395779), (763, 290480), (872, 254170), (1090, 203336), (1526, 145240), (1744, 127085), (2180, 101668), (3052, 72620), (3631, 61040), (3815, 58096), (4360, 50834), (6104, 36310), (7262, 30520), (7630, 29048), (8720, 25417), (12208, 18155), (14524, 15260)]