205313620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:689

約数の個数: 96

約数和(自身を含む): 485452800

約数和(自身を除く): 280139180

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 31, 38, 58, 62, 76, 95, 116, 124, 145, 155, 190, 290, 310, 380, 551, 580, 589, 601, 620, 899, 1102, 1178, 1202, 1798, 2204, 2356, 2404, 2755, 2945, 3005, 3596, 4495, 5510, 5890, 6010, 8990, 11020, 11419, 11780, 12020, 17081, 17429, 17980, 18631, 22838, 34162, 34858, 37262, 45676, 57095, 68324, 69716, 74524, 85405, 87145, 93155, 114190, 170810, 174290, 186310, 228380, 331151, 341620, 348580, 353989, 372620, 540299, 662302, 707978, 1080598, 1324604, 1415956, 1655755, 1769945, 2161196, 2701495, 3311510, 3539890, 5402990, 6623020, 7079780, 10265681, 10805980, 20531362, 41062724, 51328405, 102656810, 205313620]

約数ペア:

[(1, 205313620), (2, 102656810), (4, 51328405), (5, 41062724), (10, 20531362), (19, 10805980), (20, 10265681), (29, 7079780), (31, 6623020), (38, 5402990), (58, 3539890), (62, 3311510), (76, 2701495), (95, 2161196), (116, 1769945), (124, 1655755), (145, 1415956), (155, 1324604), (190, 1080598), (290, 707978), (310, 662302), (380, 540299), (551, 372620), (580, 353989), (589, 348580), (601, 341620), (620, 331151), (899, 228380), (1102, 186310), (1178, 174290), (1202, 170810), (1798, 114190), (2204, 93155), (2356, 87145), (2404, 85405), (2755, 74524), (2945, 69716), (3005, 68324), (3596, 57095), (4495, 45676), (5510, 37262), (5890, 34858), (6010, 34162), (8990, 22838), (11020, 18631), (11419, 17980), (11780, 17429), (12020, 17081)]