248680250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:697

約数の個数: 128

約数和(自身を含む): 607606272

約数和(自身を除く): 358926022

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 25, 26, 34, 35, 50, 65, 70, 85, 91, 119, 125, 130, 170, 175, 182, 221, 238, 250, 325, 350, 425, 442, 455, 595, 643, 650, 850, 875, 910, 1105, 1190, 1286, 1547, 1625, 1750, 2125, 2210, 2275, 2975, 3094, 3215, 3250, 4250, 4501, 4550, 5525, 5950, 6430, 7735, 8359, 9002, 10931, 11050, 11375, 14875, 15470, 16075, 16718, 21862, 22505, 22750, 27625, 29750, 32150, 38675, 41795, 45010, 54655, 55250, 58513, 76517, 77350, 80375, 83590, 109310, 112525, 117026, 142103, 153034, 160750, 193375, 208975, 225050, 273275, 284206, 292565, 382585, 386750, 417950, 546550, 562625, 585130, 710515, 765170, 994721, 1044875, 1125250, 1366375, 1421030, 1462825, 1912925, 1989442, 2089750, 2732750, 2925650, 3552575, 3825850, 4973605, 7105150, 7314125, 9564625, 9947210, 14628250, 17762875, 19129250, 24868025, 35525750, 49736050, 124340125, 248680250]

約数ペア:

[(1, 248680250), (2, 124340125), (5, 49736050), (7, 35525750), (10, 24868025), (13, 19129250), (14, 17762875), (17, 14628250), (25, 9947210), (26, 9564625), (34, 7314125), (35, 7105150), (50, 4973605), (65, 3825850), (70, 3552575), (85, 2925650), (91, 2732750), (119, 2089750), (125, 1989442), (130, 1912925), (170, 1462825), (175, 1421030), (182, 1366375), (221, 1125250), (238, 1044875), (250, 994721), (325, 765170), (350, 710515), (425, 585130), (442, 562625), (455, 546550), (595, 417950), (643, 386750), (650, 382585), (850, 292565), (875, 284206), (910, 273275), (1105, 225050), (1190, 208975), (1286, 193375), (1547, 160750), (1625, 153034), (1750, 142103), (2125, 117026), (2210, 112525), (2275, 109310), (2975, 83590), (3094, 80375), (3215, 77350), (3250, 76517), (4250, 58513), (4501, 55250), (4550, 54655), (5525, 45010), (5950, 41795), (6430, 38675), (7735, 32150), (8359, 29750), (9002, 27625), (10931, 22750), (11050, 22505), (11375, 21862), (14875, 16718), (15470, 16075)]