209958360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1297}}^1$

素因数の和:1401

約数の個数: 128

約数和(自身を含む): 672883200

約数和(自身を除く): 462924840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 71, 76, 95, 114, 120, 142, 152, 190, 213, 228, 284, 285, 355, 380, 426, 456, 568, 570, 710, 760, 852, 1065, 1140, 1297, 1349, 1420, 1704, 2130, 2280, 2594, 2698, 2840, 3891, 4047, 4260, 5188, 5396, 6485, 6745, 7782, 8094, 8520, 10376, 10792, 12970, 13490, 15564, 16188, 19455, 20235, 24643, 25940, 26980, 31128, 32376, 38910, 40470, 49286, 51880, 53960, 73929, 77820, 80940, 92087, 98572, 123215, 147858, 155640, 161880, 184174, 197144, 246430, 276261, 295716, 368348, 369645, 460435, 492860, 552522, 591432, 736696, 739290, 920870, 985720, 1105044, 1381305, 1478580, 1749653, 1841740, 2210088, 2762610, 2957160, 3499306, 3683480, 5248959, 5525220, 6998612, 8748265, 10497918, 11050440, 13997224, 17496530, 20995836, 26244795, 34993060, 41991672, 52489590, 69986120, 104979180, 209958360]

約数ペア:

[(1, 209958360), (2, 104979180), (3, 69986120), (4, 52489590), (5, 41991672), (6, 34993060), (8, 26244795), (10, 20995836), (12, 17496530), (15, 13997224), (19, 11050440), (20, 10497918), (24, 8748265), (30, 6998612), (38, 5525220), (40, 5248959), (57, 3683480), (60, 3499306), (71, 2957160), (76, 2762610), (95, 2210088), (114, 1841740), (120, 1749653), (142, 1478580), (152, 1381305), (190, 1105044), (213, 985720), (228, 920870), (284, 739290), (285, 736696), (355, 591432), (380, 552522), (426, 492860), (456, 460435), (568, 369645), (570, 368348), (710, 295716), (760, 276261), (852, 246430), (1065, 197144), (1140, 184174), (1297, 161880), (1349, 155640), (1420, 147858), (1704, 123215), (2130, 98572), (2280, 92087), (2594, 80940), (2698, 77820), (2840, 73929), (3891, 53960), (4047, 51880), (4260, 49286), (5188, 40470), (5396, 38910), (6485, 32376), (6745, 31128), (7782, 26980), (8094, 25940), (8520, 24643), (10376, 20235), (10792, 19455), (12970, 16188), (13490, 15564)]