207895100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:228

約数の個数: 144

約数和(自身を含む): 539965440

約数和(自身を除く): 332070340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 47, 50, 70, 71, 89, 94, 100, 140, 142, 175, 178, 188, 235, 284, 329, 350, 355, 356, 445, 470, 497, 623, 658, 700, 710, 890, 940, 994, 1175, 1246, 1316, 1420, 1645, 1775, 1780, 1988, 2225, 2350, 2485, 2492, 3115, 3290, 3337, 3550, 4183, 4450, 4700, 4970, 6230, 6319, 6580, 6674, 7100, 8225, 8366, 8900, 9940, 12425, 12460, 12638, 13348, 15575, 16450, 16685, 16732, 20915, 23359, 24850, 25276, 29281, 31150, 31595, 32900, 33370, 41830, 44233, 46718, 49700, 58562, 62300, 63190, 66740, 83425, 83660, 88466, 93436, 104575, 116795, 117124, 126380, 146405, 157975, 166850, 176932, 209150, 221165, 233590, 292810, 296993, 315950, 333700, 418300, 442330, 467180, 583975, 585620, 593986, 631900, 732025, 884660, 1105825, 1167950, 1187972, 1464050, 1484965, 2078951, 2211650, 2335900, 2928100, 2969930, 4157902, 4423300, 5939860, 7424825, 8315804, 10394755, 14849650, 20789510, 29699300, 41579020, 51973775, 103947550, 207895100]

約数ペア:

[(1, 207895100), (2, 103947550), (4, 51973775), (5, 41579020), (7, 29699300), (10, 20789510), (14, 14849650), (20, 10394755), (25, 8315804), (28, 7424825), (35, 5939860), (47, 4423300), (50, 4157902), (70, 2969930), (71, 2928100), (89, 2335900), (94, 2211650), (100, 2078951), (140, 1484965), (142, 1464050), (175, 1187972), (178, 1167950), (188, 1105825), (235, 884660), (284, 732025), (329, 631900), (350, 593986), (355, 585620), (356, 583975), (445, 467180), (470, 442330), (497, 418300), (623, 333700), (658, 315950), (700, 296993), (710, 292810), (890, 233590), (940, 221165), (994, 209150), (1175, 176932), (1246, 166850), (1316, 157975), (1420, 146405), (1645, 126380), (1775, 117124), (1780, 116795), (1988, 104575), (2225, 93436), (2350, 88466), (2485, 83660), (2492, 83425), (3115, 66740), (3290, 63190), (3337, 62300), (3550, 58562), (4183, 49700), (4450, 46718), (4700, 44233), (4970, 41830), (6230, 33370), (6319, 32900), (6580, 31595), (6674, 31150), (7100, 29281), (8225, 25276), (8366, 24850), (8900, 23359), (9940, 20915), (12425, 16732), (12460, 16685), (12638, 16450), (13348, 15575)]