49153000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:252

約数の個数: 128

約数和(自身を含む): 131040000

約数和(自身を除く): 81887000

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 95, 100, 104, 125, 130, 152, 190, 199, 200, 247, 250, 260, 325, 380, 398, 475, 494, 500, 520, 650, 760, 796, 950, 988, 995, 1000, 1235, 1300, 1592, 1625, 1900, 1976, 1990, 2375, 2470, 2587, 2600, 3250, 3781, 3800, 3980, 4750, 4940, 4975, 5174, 6175, 6500, 7562, 7960, 9500, 9880, 9950, 10348, 12350, 12935, 13000, 15124, 18905, 19000, 19900, 20696, 24700, 24875, 25870, 30248, 30875, 37810, 39800, 49153, 49400, 49750, 51740, 61750, 64675, 75620, 94525, 98306, 99500, 103480, 123500, 129350, 151240, 189050, 196612, 199000, 245765, 247000, 258700, 323375, 378100, 393224, 472625, 491530, 517400, 646750, 756200, 945250, 983060, 1228825, 1293500, 1890500, 1966120, 2457650, 2587000, 3781000, 4915300, 6144125, 9830600, 12288250, 24576500, 49153000]

約数ペア:

[(1, 49153000), (2, 24576500), (4, 12288250), (5, 9830600), (8, 6144125), (10, 4915300), (13, 3781000), (19, 2587000), (20, 2457650), (25, 1966120), (26, 1890500), (38, 1293500), (40, 1228825), (50, 983060), (52, 945250), (65, 756200), (76, 646750), (95, 517400), (100, 491530), (104, 472625), (125, 393224), (130, 378100), (152, 323375), (190, 258700), (199, 247000), (200, 245765), (247, 199000), (250, 196612), (260, 189050), (325, 151240), (380, 129350), (398, 123500), (475, 103480), (494, 99500), (500, 98306), (520, 94525), (650, 75620), (760, 64675), (796, 61750), (950, 51740), (988, 49750), (995, 49400), (1000, 49153), (1235, 39800), (1300, 37810), (1592, 30875), (1625, 30248), (1900, 25870), (1976, 24875), (1990, 24700), (2375, 20696), (2470, 19900), (2587, 19000), (2600, 18905), (3250, 15124), (3781, 13000), (3800, 12935), (3980, 12350), (4750, 10348), (4940, 9950), (4975, 9880), (5174, 9500), (6175, 7960), (6500, 7562)]