198254680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1$

素因数の和:629

約数の個数: 128

約数和(自身を含む): 522002880

約数和(自身を除く): 323748200

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 41, 52, 65, 68, 82, 85, 104, 130, 136, 164, 170, 205, 221, 260, 328, 340, 410, 442, 520, 533, 547, 680, 697, 820, 884, 1066, 1094, 1105, 1394, 1640, 1768, 2132, 2188, 2210, 2665, 2735, 2788, 3485, 4264, 4376, 4420, 5330, 5470, 5576, 6970, 7111, 8840, 9061, 9299, 10660, 10940, 13940, 14222, 18122, 18598, 21320, 21880, 22427, 27880, 28444, 35555, 36244, 37196, 44854, 45305, 46495, 56888, 71110, 72488, 74392, 89708, 90610, 92990, 112135, 120887, 142220, 179416, 181220, 185980, 224270, 241774, 284440, 291551, 362440, 371960, 381259, 448540, 483548, 583102, 604435, 762518, 897080, 967096, 1166204, 1208870, 1457755, 1525036, 1906295, 2332408, 2417740, 2915510, 3050072, 3812590, 4835480, 4956367, 5831020, 7625180, 9912734, 11662040, 15250360, 19825468, 24781835, 39650936, 49563670, 99127340, 198254680]

約数ペア:

[(1, 198254680), (2, 99127340), (4, 49563670), (5, 39650936), (8, 24781835), (10, 19825468), (13, 15250360), (17, 11662040), (20, 9912734), (26, 7625180), (34, 5831020), (40, 4956367), (41, 4835480), (52, 3812590), (65, 3050072), (68, 2915510), (82, 2417740), (85, 2332408), (104, 1906295), (130, 1525036), (136, 1457755), (164, 1208870), (170, 1166204), (205, 967096), (221, 897080), (260, 762518), (328, 604435), (340, 583102), (410, 483548), (442, 448540), (520, 381259), (533, 371960), (547, 362440), (680, 291551), (697, 284440), (820, 241774), (884, 224270), (1066, 185980), (1094, 181220), (1105, 179416), (1394, 142220), (1640, 120887), (1768, 112135), (2132, 92990), (2188, 90610), (2210, 89708), (2665, 74392), (2735, 72488), (2788, 71110), (3485, 56888), (4264, 46495), (4376, 45305), (4420, 44854), (5330, 37196), (5470, 36244), (5576, 35555), (6970, 28444), (7111, 27880), (8840, 22427), (9061, 21880), (9299, 21320), (10660, 18598), (10940, 18122), (13940, 14222)]