220969910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:726

約数の個数: 96

約数和(自身を含む): 502625088

約数和(自身を除く): 281655178

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 41, 49, 70, 82, 85, 98, 119, 170, 205, 238, 245, 287, 410, 490, 574, 595, 647, 697, 833, 1190, 1294, 1394, 1435, 1666, 2009, 2870, 3235, 3485, 4018, 4165, 4529, 4879, 6470, 6970, 8330, 9058, 9758, 10045, 10999, 20090, 21998, 22645, 24395, 26527, 31703, 34153, 45290, 48790, 53054, 54995, 63406, 68306, 76993, 109990, 132635, 153986, 158515, 170765, 185689, 265270, 317030, 341530, 371378, 384965, 450959, 538951, 769930, 901918, 928445, 1077902, 1299823, 1856890, 2254795, 2599646, 2694755, 3156713, 4509590, 5389510, 6313426, 6499115, 12998230, 15783565, 22096991, 31567130, 44193982, 110484955, 220969910]

約数ペア:

[(1, 220969910), (2, 110484955), (5, 44193982), (7, 31567130), (10, 22096991), (14, 15783565), (17, 12998230), (34, 6499115), (35, 6313426), (41, 5389510), (49, 4509590), (70, 3156713), (82, 2694755), (85, 2599646), (98, 2254795), (119, 1856890), (170, 1299823), (205, 1077902), (238, 928445), (245, 901918), (287, 769930), (410, 538951), (490, 450959), (574, 384965), (595, 371378), (647, 341530), (697, 317030), (833, 265270), (1190, 185689), (1294, 170765), (1394, 158515), (1435, 153986), (1666, 132635), (2009, 109990), (2870, 76993), (3235, 68306), (3485, 63406), (4018, 54995), (4165, 53054), (4529, 48790), (4879, 45290), (6470, 34153), (6970, 31703), (8330, 26527), (9058, 24395), (9758, 22645), (10045, 21998), (10999, 20090)]