340854920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{367}}^1$

素因数の和:523

約数の個数: 128

約数和(自身を含む): 915701760

約数和(自身を除く): 574846840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 107, 124, 140, 155, 214, 217, 248, 280, 310, 367, 428, 434, 535, 620, 734, 749, 856, 868, 1070, 1085, 1240, 1468, 1498, 1736, 1835, 2140, 2170, 2569, 2936, 2996, 3317, 3670, 3745, 4280, 4340, 5138, 5992, 6634, 7340, 7490, 8680, 10276, 11377, 12845, 13268, 14680, 14980, 16585, 20552, 22754, 23219, 25690, 26536, 29960, 33170, 39269, 45508, 46438, 51380, 56885, 66340, 78538, 79639, 91016, 92876, 102760, 113770, 116095, 132680, 157076, 159278, 185752, 196345, 227540, 232190, 274883, 314152, 318556, 392690, 398195, 455080, 464380, 549766, 637112, 785380, 796390, 928760, 1099532, 1217339, 1374415, 1570760, 1592780, 2199064, 2434678, 2748830, 3185560, 4869356, 5497660, 6086695, 8521373, 9738712, 10995320, 12173390, 17042746, 24346780, 34085492, 42606865, 48693560, 68170984, 85213730, 170427460, 340854920]

約数ペア:

[(1, 340854920), (2, 170427460), (4, 85213730), (5, 68170984), (7, 48693560), (8, 42606865), (10, 34085492), (14, 24346780), (20, 17042746), (28, 12173390), (31, 10995320), (35, 9738712), (40, 8521373), (56, 6086695), (62, 5497660), (70, 4869356), (107, 3185560), (124, 2748830), (140, 2434678), (155, 2199064), (214, 1592780), (217, 1570760), (248, 1374415), (280, 1217339), (310, 1099532), (367, 928760), (428, 796390), (434, 785380), (535, 637112), (620, 549766), (734, 464380), (749, 455080), (856, 398195), (868, 392690), (1070, 318556), (1085, 314152), (1240, 274883), (1468, 232190), (1498, 227540), (1736, 196345), (1835, 185752), (2140, 159278), (2170, 157076), (2569, 132680), (2936, 116095), (2996, 113770), (3317, 102760), (3670, 92876), (3745, 91016), (4280, 79639), (4340, 78538), (5138, 66340), (5992, 56885), (6634, 51380), (7340, 46438), (7490, 45508), (8680, 39269), (10276, 33170), (11377, 29960), (12845, 26536), (13268, 25690), (14680, 23219), (14980, 22754), (16585, 20552)]