2017715720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^2\times {\mathrm{661}}^1$

素因数の和:823

約数の個数: 96

約数和(自身を含む): 4887109080

約数和(自身を除く): 2869393360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 67, 68, 85, 134, 136, 170, 268, 335, 340, 536, 661, 670, 680, 1139, 1322, 1340, 2278, 2644, 2680, 3305, 4489, 4556, 5288, 5695, 6610, 8978, 9112, 11237, 11390, 13220, 17956, 22445, 22474, 22780, 26440, 35912, 44287, 44890, 44948, 45560, 56185, 76313, 88574, 89780, 89896, 112370, 152626, 177148, 179560, 221435, 224740, 305252, 354296, 381565, 442870, 449480, 610504, 752879, 763130, 885740, 1505758, 1526260, 1771480, 2967229, 3011516, 3052520, 3764395, 5934458, 6023032, 7528790, 11868916, 14836145, 15057580, 23737832, 29672290, 30115160, 50442893, 59344580, 100885786, 118689160, 201771572, 252214465, 403543144, 504428930, 1008857860, 2017715720]

約数ペア:

[(1, 2017715720), (2, 1008857860), (4, 504428930), (5, 403543144), (8, 252214465), (10, 201771572), (17, 118689160), (20, 100885786), (34, 59344580), (40, 50442893), (67, 30115160), (68, 29672290), (85, 23737832), (134, 15057580), (136, 14836145), (170, 11868916), (268, 7528790), (335, 6023032), (340, 5934458), (536, 3764395), (661, 3052520), (670, 3011516), (680, 2967229), (1139, 1771480), (1322, 1526260), (1340, 1505758), (2278, 885740), (2644, 763130), (2680, 752879), (3305, 610504), (4489, 449480), (4556, 442870), (5288, 381565), (5695, 354296), (6610, 305252), (8978, 224740), (9112, 221435), (11237, 179560), (11390, 177148), (13220, 152626), (17956, 112370), (22445, 89896), (22474, 89780), (22780, 88574), (26440, 76313), (35912, 56185), (44287, 45560), (44890, 44948)]