49490820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:562

約数の個数: 144

約数和(自身を含む): 163800000

約数和(自身を除く): 114309180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 29, 30, 36, 38, 45, 57, 58, 60, 76, 87, 90, 95, 114, 116, 145, 171, 174, 180, 190, 228, 261, 285, 290, 342, 348, 380, 435, 499, 522, 551, 570, 580, 684, 855, 870, 998, 1044, 1102, 1140, 1305, 1497, 1653, 1710, 1740, 1996, 2204, 2495, 2610, 2755, 2994, 3306, 3420, 4491, 4959, 4990, 5220, 5510, 5988, 6612, 7485, 8265, 8982, 9481, 9918, 9980, 11020, 14471, 14970, 16530, 17964, 18962, 19836, 22455, 24795, 28443, 28942, 29940, 33060, 37924, 43413, 44910, 47405, 49590, 56886, 57884, 72355, 85329, 86826, 89820, 94810, 99180, 113772, 130239, 142215, 144710, 170658, 173652, 189620, 217065, 260478, 274949, 284430, 289420, 341316, 426645, 434130, 520956, 549898, 568860, 651195, 824847, 853290, 868260, 1099796, 1302390, 1374745, 1649694, 1706580, 2474541, 2604780, 2749490, 3299388, 4124235, 4949082, 5498980, 8248470, 9898164, 12372705, 16496940, 24745410, 49490820]

約数ペア:

[(1, 49490820), (2, 24745410), (3, 16496940), (4, 12372705), (5, 9898164), (6, 8248470), (9, 5498980), (10, 4949082), (12, 4124235), (15, 3299388), (18, 2749490), (19, 2604780), (20, 2474541), (29, 1706580), (30, 1649694), (36, 1374745), (38, 1302390), (45, 1099796), (57, 868260), (58, 853290), (60, 824847), (76, 651195), (87, 568860), (90, 549898), (95, 520956), (114, 434130), (116, 426645), (145, 341316), (171, 289420), (174, 284430), (180, 274949), (190, 260478), (228, 217065), (261, 189620), (285, 173652), (290, 170658), (342, 144710), (348, 142215), (380, 130239), (435, 113772), (499, 99180), (522, 94810), (551, 89820), (570, 86826), (580, 85329), (684, 72355), (855, 57884), (870, 56886), (998, 49590), (1044, 47405), (1102, 44910), (1140, 43413), (1305, 37924), (1497, 33060), (1653, 29940), (1710, 28942), (1740, 28443), (1996, 24795), (2204, 22455), (2495, 19836), (2610, 18962), (2755, 17964), (2994, 16530), (3306, 14970), (3420, 14471), (4491, 11020), (4959, 9980), (4990, 9918), (5220, 9481), (5510, 8982), (5988, 8265), (6612, 7485)]