189740080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2903}}^1$

素因数の和:2978

約数の個数: 80

約数和(自身を含む): 475326720

約数和(自身を除く): 285586640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 304, 344, 380, 430, 688, 760, 817, 860, 1520, 1634, 1720, 2903, 3268, 3440, 4085, 5806, 6536, 8170, 11612, 13072, 14515, 16340, 23224, 29030, 32680, 46448, 55157, 58060, 65360, 110314, 116120, 124829, 220628, 232240, 249658, 275785, 441256, 499316, 551570, 624145, 882512, 998632, 1103140, 1248290, 1997264, 2206280, 2371751, 2496580, 4412560, 4743502, 4993160, 9487004, 9986320, 11858755, 18974008, 23717510, 37948016, 47435020, 94870040, 189740080]

約数ペア:

[(1, 189740080), (2, 94870040), (4, 47435020), (5, 37948016), (8, 23717510), (10, 18974008), (16, 11858755), (19, 9986320), (20, 9487004), (38, 4993160), (40, 4743502), (43, 4412560), (76, 2496580), (80, 2371751), (86, 2206280), (95, 1997264), (152, 1248290), (172, 1103140), (190, 998632), (215, 882512), (304, 624145), (344, 551570), (380, 499316), (430, 441256), (688, 275785), (760, 249658), (817, 232240), (860, 220628), (1520, 124829), (1634, 116120), (1720, 110314), (2903, 65360), (3268, 58060), (3440, 55157), (4085, 46448), (5806, 32680), (6536, 29030), (8170, 23224), (11612, 16340), (13072, 14515)]