208339180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 546981120

約数和(自身を除く): 338641940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 67, 70, 76, 95, 98, 133, 134, 140, 167, 190, 196, 245, 266, 268, 334, 335, 380, 469, 490, 532, 665, 668, 670, 835, 931, 938, 980, 1169, 1273, 1330, 1340, 1670, 1862, 1876, 2338, 2345, 2546, 2660, 3173, 3283, 3340, 3724, 4655, 4676, 4690, 5092, 5845, 6346, 6365, 6566, 8183, 8911, 9310, 9380, 11189, 11690, 12692, 12730, 13132, 15865, 16366, 16415, 17822, 18620, 22211, 22378, 23380, 25460, 31730, 32732, 32830, 35644, 40915, 44422, 44555, 44756, 55945, 62377, 63460, 65660, 78323, 81830, 88844, 89110, 111055, 111890, 124754, 155477, 156646, 163660, 178220, 212591, 222110, 223780, 249508, 310954, 311885, 313292, 391615, 425182, 444220, 548261, 621908, 623770, 777385, 783230, 850364, 1062955, 1096522, 1247540, 1488137, 1554770, 1566460, 2125910, 2193044, 2741305, 2976274, 3109540, 4251820, 5482610, 5952548, 7440685, 10416959, 10965220, 14881370, 20833918, 29762740, 41667836, 52084795, 104169590, 208339180]

約数ペア:

[(1, 208339180), (2, 104169590), (4, 52084795), (5, 41667836), (7, 29762740), (10, 20833918), (14, 14881370), (19, 10965220), (20, 10416959), (28, 7440685), (35, 5952548), (38, 5482610), (49, 4251820), (67, 3109540), (70, 2976274), (76, 2741305), (95, 2193044), (98, 2125910), (133, 1566460), (134, 1554770), (140, 1488137), (167, 1247540), (190, 1096522), (196, 1062955), (245, 850364), (266, 783230), (268, 777385), (334, 623770), (335, 621908), (380, 548261), (469, 444220), (490, 425182), (532, 391615), (665, 313292), (668, 311885), (670, 310954), (835, 249508), (931, 223780), (938, 222110), (980, 212591), (1169, 178220), (1273, 163660), (1330, 156646), (1340, 155477), (1670, 124754), (1862, 111890), (1876, 111055), (2338, 89110), (2345, 88844), (2546, 81830), (2660, 78323), (3173, 65660), (3283, 63460), (3340, 62377), (3724, 55945), (4655, 44756), (4676, 44555), (4690, 44422), (5092, 40915), (5845, 35644), (6346, 32830), (6365, 32732), (6566, 31730), (8183, 25460), (8911, 23380), (9310, 22378), (9380, 22211), (11189, 18620), (11690, 17822), (12692, 16415), (12730, 16366), (13132, 15865)]