2019910900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{5237}}^1$

素因数の和:5306

約数の個数: 144

約数和(自身を含む): 5455900800

約数和(自身を除く): 3435989900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 29, 35, 38, 50, 58, 70, 76, 95, 100, 116, 133, 140, 145, 175, 190, 203, 266, 290, 350, 380, 406, 475, 532, 551, 580, 665, 700, 725, 812, 950, 1015, 1102, 1330, 1450, 1900, 2030, 2204, 2660, 2755, 2900, 3325, 3857, 4060, 5075, 5237, 5510, 6650, 7714, 10150, 10474, 11020, 13300, 13775, 15428, 19285, 20300, 20948, 26185, 27550, 36659, 38570, 52370, 55100, 73318, 77140, 96425, 99503, 104740, 130925, 146636, 151873, 183295, 192850, 199006, 261850, 303746, 366590, 385700, 398012, 497515, 523700, 607492, 696521, 733180, 759365, 916475, 995030, 1063111, 1393042, 1518730, 1832950, 1990060, 2126222, 2487575, 2786084, 2885587, 3037460, 3482605, 3665900, 3796825, 4252444, 4975150, 5315555, 5771174, 6965210, 7593650, 9950300, 10631110, 11542348, 13930420, 14427935, 15187300, 17413025, 20199109, 21262220, 26577775, 28855870, 34826050, 40398218, 53155550, 57711740, 69652100, 72139675, 80796436, 100995545, 106311100, 144279350, 201991090, 288558700, 403982180, 504977725, 1009955450, 2019910900]

約数ペア:

[(1, 2019910900), (2, 1009955450), (4, 504977725), (5, 403982180), (7, 288558700), (10, 201991090), (14, 144279350), (19, 106311100), (20, 100995545), (25, 80796436), (28, 72139675), (29, 69652100), (35, 57711740), (38, 53155550), (50, 40398218), (58, 34826050), (70, 28855870), (76, 26577775), (95, 21262220), (100, 20199109), (116, 17413025), (133, 15187300), (140, 14427935), (145, 13930420), (175, 11542348), (190, 10631110), (203, 9950300), (266, 7593650), (290, 6965210), (350, 5771174), (380, 5315555), (406, 4975150), (475, 4252444), (532, 3796825), (551, 3665900), (580, 3482605), (665, 3037460), (700, 2885587), (725, 2786084), (812, 2487575), (950, 2126222), (1015, 1990060), (1102, 1832950), (1330, 1518730), (1450, 1393042), (1900, 1063111), (2030, 995030), (2204, 916475), (2660, 759365), (2755, 733180), (2900, 696521), (3325, 607492), (3857, 523700), (4060, 497515), (5075, 398012), (5237, 385700), (5510, 366590), (6650, 303746), (7714, 261850), (10150, 199006), (10474, 192850), (11020, 183295), (13300, 151873), (13775, 146636), (15428, 130925), (19285, 104740), (20300, 99503), (20948, 96425), (26185, 77140), (27550, 73318), (36659, 55100), (38570, 52370)]