208463920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{10061}}^1$

素因数の和:10118

約数の個数: 80

約数和(自身を含む): 568945728

約数和(自身を除く): 360481808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1295, 1480, 2072, 2590, 2960, 4144, 5180, 10061, 10360, 20122, 20720, 40244, 50305, 70427, 80488, 100610, 140854, 160976, 201220, 281708, 352135, 372257, 402440, 563416, 704270, 744514, 804880, 1126832, 1408540, 1489028, 1861285, 2605799, 2817080, 2978056, 3722570, 5211598, 5634160, 5956112, 7445140, 10423196, 13028995, 14890280, 20846392, 26057990, 29780560, 41692784, 52115980, 104231960, 208463920]

約数ペア:

[(1, 208463920), (2, 104231960), (4, 52115980), (5, 41692784), (7, 29780560), (8, 26057990), (10, 20846392), (14, 14890280), (16, 13028995), (20, 10423196), (28, 7445140), (35, 5956112), (37, 5634160), (40, 5211598), (56, 3722570), (70, 2978056), (74, 2817080), (80, 2605799), (112, 1861285), (140, 1489028), (148, 1408540), (185, 1126832), (259, 804880), (280, 744514), (296, 704270), (370, 563416), (518, 402440), (560, 372257), (592, 352135), (740, 281708), (1036, 201220), (1295, 160976), (1480, 140854), (2072, 100610), (2590, 80488), (2960, 70427), (4144, 50305), (5180, 40244), (10061, 20720), (10360, 20122)]