49744280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:157

約数の個数: 128

約数和(自身を含む): 127224000

約数和(自身を除く): 77479720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 37, 38, 40, 58, 61, 74, 76, 95, 116, 122, 145, 148, 152, 185, 190, 232, 244, 290, 296, 305, 370, 380, 488, 551, 580, 610, 703, 740, 760, 1073, 1102, 1159, 1160, 1220, 1406, 1480, 1769, 2146, 2204, 2257, 2318, 2440, 2755, 2812, 3515, 3538, 4292, 4408, 4514, 4636, 5365, 5510, 5624, 5795, 7030, 7076, 8584, 8845, 9028, 9272, 10730, 11020, 11285, 11590, 14060, 14152, 17690, 18056, 20387, 21460, 22040, 22570, 23180, 28120, 33611, 35380, 40774, 42883, 42920, 45140, 46360, 65453, 67222, 70760, 81548, 85766, 90280, 101935, 130906, 134444, 163096, 168055, 171532, 203870, 214415, 261812, 268888, 327265, 336110, 343064, 407740, 428830, 523624, 654530, 672220, 815480, 857660, 1243607, 1309060, 1344440, 1715320, 2487214, 2618120, 4974428, 6218035, 9948856, 12436070, 24872140, 49744280]

約数ペア:

[(1, 49744280), (2, 24872140), (4, 12436070), (5, 9948856), (8, 6218035), (10, 4974428), (19, 2618120), (20, 2487214), (29, 1715320), (37, 1344440), (38, 1309060), (40, 1243607), (58, 857660), (61, 815480), (74, 672220), (76, 654530), (95, 523624), (116, 428830), (122, 407740), (145, 343064), (148, 336110), (152, 327265), (185, 268888), (190, 261812), (232, 214415), (244, 203870), (290, 171532), (296, 168055), (305, 163096), (370, 134444), (380, 130906), (488, 101935), (551, 90280), (580, 85766), (610, 81548), (703, 70760), (740, 67222), (760, 65453), (1073, 46360), (1102, 45140), (1159, 42920), (1160, 42883), (1220, 40774), (1406, 35380), (1480, 33611), (1769, 28120), (2146, 23180), (2204, 22570), (2257, 22040), (2318, 21460), (2440, 20387), (2755, 18056), (2812, 17690), (3515, 14152), (3538, 14060), (4292, 11590), (4408, 11285), (4514, 11020), (4636, 10730), (5365, 9272), (5510, 9028), (5624, 8845), (5795, 8584), (7030, 7076)]