195440840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2161}}^1$

素因数の和:2215

約数の個数: 128

約数和(自身を含む): 560390400

約数和(自身を除く): 364949560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 85, 95, 119, 133, 136, 140, 152, 170, 190, 238, 266, 280, 323, 340, 380, 476, 532, 595, 646, 665, 680, 760, 952, 1064, 1190, 1292, 1330, 1615, 2161, 2261, 2380, 2584, 2660, 3230, 4322, 4522, 4760, 5320, 6460, 8644, 9044, 10805, 11305, 12920, 15127, 17288, 18088, 21610, 22610, 30254, 36737, 41059, 43220, 45220, 60508, 73474, 75635, 82118, 86440, 90440, 121016, 146948, 151270, 164236, 183685, 205295, 257159, 287413, 293896, 302540, 328472, 367370, 410590, 514318, 574826, 605080, 698003, 734740, 821180, 1028636, 1149652, 1285795, 1396006, 1437065, 1469480, 1642360, 2057272, 2299304, 2571590, 2792012, 2874130, 3490015, 4886021, 5143180, 5584024, 5748260, 6980030, 9772042, 10286360, 11496520, 13960060, 19544084, 24430105, 27920120, 39088168, 48860210, 97720420, 195440840]

約数ペア:

[(1, 195440840), (2, 97720420), (4, 48860210), (5, 39088168), (7, 27920120), (8, 24430105), (10, 19544084), (14, 13960060), (17, 11496520), (19, 10286360), (20, 9772042), (28, 6980030), (34, 5748260), (35, 5584024), (38, 5143180), (40, 4886021), (56, 3490015), (68, 2874130), (70, 2792012), (76, 2571590), (85, 2299304), (95, 2057272), (119, 1642360), (133, 1469480), (136, 1437065), (140, 1396006), (152, 1285795), (170, 1149652), (190, 1028636), (238, 821180), (266, 734740), (280, 698003), (323, 605080), (340, 574826), (380, 514318), (476, 410590), (532, 367370), (595, 328472), (646, 302540), (665, 293896), (680, 287413), (760, 257159), (952, 205295), (1064, 183685), (1190, 164236), (1292, 151270), (1330, 146948), (1615, 121016), (2161, 90440), (2261, 86440), (2380, 82118), (2584, 75635), (2660, 73474), (3230, 60508), (4322, 45220), (4522, 43220), (4760, 41059), (5320, 36737), (6460, 30254), (8644, 22610), (9044, 21610), (10805, 18088), (11305, 17288), (12920, 15127)]