402740883760

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{593}}^1\times {\mathrm{61967}}^1$

素因数の和:62710

約数の個数: 80

約数和(自身を含む): 944813206656

約数和(自身を除く): 542072322896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 593, 685, 1096, 1186, 1370, 2192, 2372, 2740, 2965, 4744, 5480, 5930, 9488, 10960, 11860, 23720, 47440, 61967, 81241, 123934, 162482, 247868, 309835, 324964, 406205, 495736, 619670, 649928, 812410, 991472, 1239340, 1299856, 1624820, 2478680, 3249640, 4957360, 6499280, 8489479, 16978958, 33957916, 36746431, 42447395, 67915832, 73492862, 84894790, 135831664, 146985724, 169789580, 183732155, 293971448, 339579160, 367464310, 587942896, 679158320, 734928620, 1469857240, 2939714480, 5034261047, 10068522094, 20137044188, 25171305235, 40274088376, 50342610470, 80548176752, 100685220940, 201370441880, 402740883760]

約数ペア:

[(1, 402740883760), (2, 201370441880), (4, 100685220940), (5, 80548176752), (8, 50342610470), (10, 40274088376), (16, 25171305235), (20, 20137044188), (40, 10068522094), (80, 5034261047), (137, 2939714480), (274, 1469857240), (548, 734928620), (593, 679158320), (685, 587942896), (1096, 367464310), (1186, 339579160), (1370, 293971448), (2192, 183732155), (2372, 169789580), (2740, 146985724), (2965, 135831664), (4744, 84894790), (5480, 73492862), (5930, 67915832), (9488, 42447395), (10960, 36746431), (11860, 33957916), (23720, 16978958), (47440, 8489479), (61967, 6499280), (81241, 4957360), (123934, 3249640), (162482, 2478680), (247868, 1624820), (309835, 1299856), (324964, 1239340), (406205, 991472), (495736, 812410), (619670, 649928)]