2019979780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{65287}}^1$

素因数の和:65333

約数の個数: 96

約数和(自身を含む): 5528065536

約数和(自身を除く): 3508085756

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 170, 182, 221, 238, 260, 340, 364, 442, 455, 476, 595, 884, 910, 1105, 1190, 1547, 1820, 2210, 2380, 3094, 4420, 6188, 7735, 15470, 30940, 65287, 130574, 261148, 326435, 457009, 652870, 848731, 914018, 1109879, 1305740, 1697462, 1828036, 2219758, 2285045, 3394924, 4243655, 4439516, 4570090, 5549395, 5941117, 7769153, 8487310, 9140180, 11098790, 11882234, 14428427, 15538306, 16974620, 22197580, 23764468, 28856854, 29705585, 31076612, 38845765, 57713708, 59411170, 72142135, 77691530, 100998989, 118822340, 144284270, 155383060, 201997978, 288568540, 403995956, 504994945, 1009989890, 2019979780]

約数ペア:

[(1, 2019979780), (2, 1009989890), (4, 504994945), (5, 403995956), (7, 288568540), (10, 201997978), (13, 155383060), (14, 144284270), (17, 118822340), (20, 100998989), (26, 77691530), (28, 72142135), (34, 59411170), (35, 57713708), (52, 38845765), (65, 31076612), (68, 29705585), (70, 28856854), (85, 23764468), (91, 22197580), (119, 16974620), (130, 15538306), (140, 14428427), (170, 11882234), (182, 11098790), (221, 9140180), (238, 8487310), (260, 7769153), (340, 5941117), (364, 5549395), (442, 4570090), (455, 4439516), (476, 4243655), (595, 3394924), (884, 2285045), (910, 2219758), (1105, 1828036), (1190, 1697462), (1547, 1305740), (1820, 1109879), (2210, 914018), (2380, 848731), (3094, 652870), (4420, 457009), (6188, 326435), (7735, 261148), (15470, 130574), (30940, 65287)]