198872440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 128

約数和(自身を含む): 507225600

約数和(自身を除く): 308353160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 73, 104, 124, 130, 146, 155, 169, 248, 260, 292, 310, 338, 365, 403, 520, 584, 620, 676, 730, 806, 845, 949, 1240, 1352, 1460, 1612, 1690, 1898, 2015, 2197, 2263, 2920, 3224, 3380, 3796, 4030, 4394, 4526, 4745, 5239, 6760, 7592, 8060, 8788, 9052, 9490, 10478, 10985, 11315, 12337, 16120, 17576, 18104, 18980, 20956, 21970, 22630, 24674, 26195, 29419, 37960, 41912, 43940, 45260, 49348, 52390, 58838, 61685, 68107, 87880, 90520, 98696, 104780, 117676, 123370, 136214, 147095, 160381, 209560, 235352, 246740, 272428, 294190, 320762, 340535, 382447, 493480, 544856, 588380, 641524, 681070, 764894, 801905, 1176760, 1283048, 1362140, 1529788, 1603810, 1912235, 2724280, 3059576, 3207620, 3824470, 4971811, 6415240, 7648940, 9943622, 15297880, 19887244, 24859055, 39774488, 49718110, 99436220, 198872440]

約数ペア:

[(1, 198872440), (2, 99436220), (4, 49718110), (5, 39774488), (8, 24859055), (10, 19887244), (13, 15297880), (20, 9943622), (26, 7648940), (31, 6415240), (40, 4971811), (52, 3824470), (62, 3207620), (65, 3059576), (73, 2724280), (104, 1912235), (124, 1603810), (130, 1529788), (146, 1362140), (155, 1283048), (169, 1176760), (248, 801905), (260, 764894), (292, 681070), (310, 641524), (338, 588380), (365, 544856), (403, 493480), (520, 382447), (584, 340535), (620, 320762), (676, 294190), (730, 272428), (806, 246740), (845, 235352), (949, 209560), (1240, 160381), (1352, 147095), (1460, 136214), (1612, 123370), (1690, 117676), (1898, 104780), (2015, 98696), (2197, 90520), (2263, 87880), (2920, 68107), (3224, 61685), (3380, 58838), (3796, 52390), (4030, 49348), (4394, 45260), (4526, 43940), (4745, 41912), (5239, 37960), (6760, 29419), (7592, 26195), (8060, 24674), (8788, 22630), (9052, 21970), (9490, 20956), (10478, 18980), (10985, 18104), (11315, 17576), (12337, 16120)]