208034420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:513

約数の個数: 96

約数和(自身を含む): 506459520

約数和(自身を除く): 298425100

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 157, 190, 209, 220, 314, 317, 380, 418, 628, 634, 785, 836, 1045, 1268, 1570, 1585, 1727, 2090, 2983, 3140, 3170, 3454, 3487, 4180, 5966, 6023, 6340, 6908, 6974, 8635, 11932, 12046, 13948, 14915, 17270, 17435, 24092, 29830, 30115, 32813, 34540, 34870, 49769, 59660, 60230, 65626, 66253, 69740, 99538, 120460, 131252, 132506, 164065, 199076, 248845, 265012, 328130, 331265, 497690, 547459, 656260, 662530, 945611, 995380, 1094918, 1325060, 1891222, 2189836, 2737295, 3782444, 4728055, 5474590, 9456110, 10401721, 10949180, 18912220, 20803442, 41606884, 52008605, 104017210, 208034420]

約数ペア:

[(1, 208034420), (2, 104017210), (4, 52008605), (5, 41606884), (10, 20803442), (11, 18912220), (19, 10949180), (20, 10401721), (22, 9456110), (38, 5474590), (44, 4728055), (55, 3782444), (76, 2737295), (95, 2189836), (110, 1891222), (157, 1325060), (190, 1094918), (209, 995380), (220, 945611), (314, 662530), (317, 656260), (380, 547459), (418, 497690), (628, 331265), (634, 328130), (785, 265012), (836, 248845), (1045, 199076), (1268, 164065), (1570, 132506), (1585, 131252), (1727, 120460), (2090, 99538), (2983, 69740), (3140, 66253), (3170, 65626), (3454, 60230), (3487, 59660), (4180, 49769), (5966, 34870), (6023, 34540), (6340, 32813), (6908, 30115), (6974, 29830), (8635, 24092), (11932, 17435), (12046, 17270), (13948, 14915)]