238402000

素因数分解:

$2^4\times 5^3\times {\mathrm{199}}^1\times {\mathrm{599}}^1$

素因数の和:821

約数の個数: 80

約数和(自身を含む): 580320000

約数和(自身を除く): 341918000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 199, 200, 250, 398, 400, 500, 599, 796, 995, 1000, 1198, 1592, 1990, 2000, 2396, 2995, 3184, 3980, 4792, 4975, 5990, 7960, 9584, 9950, 11980, 14975, 15920, 19900, 23960, 24875, 29950, 39800, 47920, 49750, 59900, 74875, 79600, 99500, 119201, 119800, 149750, 199000, 238402, 239600, 299500, 398000, 476804, 596005, 599000, 953608, 1192010, 1198000, 1907216, 2384020, 2980025, 4768040, 5960050, 9536080, 11920100, 14900125, 23840200, 29800250, 47680400, 59600500, 119201000, 238402000]

約数ペア:

[(1, 238402000), (2, 119201000), (4, 59600500), (5, 47680400), (8, 29800250), (10, 23840200), (16, 14900125), (20, 11920100), (25, 9536080), (40, 5960050), (50, 4768040), (80, 2980025), (100, 2384020), (125, 1907216), (199, 1198000), (200, 1192010), (250, 953608), (398, 599000), (400, 596005), (500, 476804), (599, 398000), (796, 299500), (995, 239600), (1000, 238402), (1198, 199000), (1592, 149750), (1990, 119800), (2000, 119201), (2396, 99500), (2995, 79600), (3184, 74875), (3980, 59900), (4792, 49750), (4975, 47920), (5990, 39800), (7960, 29950), (9584, 24875), (9950, 23960), (11980, 19900), (14975, 15920)]