138966800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1601}}^1$

素因数の和:1657

約数の個数: 120

約数和(自身を含む): 394117632

約数和(自身を除く): 255150832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 175, 200, 217, 248, 280, 310, 350, 400, 434, 496, 560, 620, 700, 775, 868, 1085, 1240, 1400, 1550, 1601, 1736, 2170, 2480, 2800, 3100, 3202, 3472, 4340, 5425, 6200, 6404, 8005, 8680, 10850, 11207, 12400, 12808, 16010, 17360, 21700, 22414, 25616, 32020, 40025, 43400, 44828, 49631, 56035, 64040, 80050, 86800, 89656, 99262, 112070, 128080, 160100, 179312, 198524, 224140, 248155, 280175, 320200, 347417, 397048, 448280, 496310, 560350, 640400, 694834, 794096, 896560, 992620, 1120700, 1240775, 1389668, 1737085, 1985240, 2241400, 2481550, 2779336, 3474170, 3970480, 4482800, 4963100, 5558672, 6948340, 8685425, 9926200, 13896680, 17370850, 19852400, 27793360, 34741700, 69483400, 138966800]

約数ペア:

[(1, 138966800), (2, 69483400), (4, 34741700), (5, 27793360), (7, 19852400), (8, 17370850), (10, 13896680), (14, 9926200), (16, 8685425), (20, 6948340), (25, 5558672), (28, 4963100), (31, 4482800), (35, 3970480), (40, 3474170), (50, 2779336), (56, 2481550), (62, 2241400), (70, 1985240), (80, 1737085), (100, 1389668), (112, 1240775), (124, 1120700), (140, 992620), (155, 896560), (175, 794096), (200, 694834), (217, 640400), (248, 560350), (280, 496310), (310, 448280), (350, 397048), (400, 347417), (434, 320200), (496, 280175), (560, 248155), (620, 224140), (700, 198524), (775, 179312), (868, 160100), (1085, 128080), (1240, 112070), (1400, 99262), (1550, 89656), (1601, 86800), (1736, 80050), (2170, 64040), (2480, 56035), (2800, 49631), (3100, 44828), (3202, 43400), (3472, 40025), (4340, 32020), (5425, 25616), (6200, 22414), (6404, 21700), (8005, 17360), (8680, 16010), (10850, 12808), (11207, 12400)]