208820220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21617}}^1$

素因数の和:21659

約数の個数: 96

約数和(自身を含む): 697310208

約数和(自身を除く): 488489988

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2415, 3220, 4830, 9660, 21617, 43234, 64851, 86468, 108085, 129702, 151319, 216170, 259404, 302638, 324255, 432340, 453957, 497191, 605276, 648510, 756595, 907914, 994382, 1297020, 1491573, 1513190, 1815828, 1988764, 2269785, 2485955, 2983146, 3026380, 3480337, 4539570, 4971910, 5966292, 6960674, 7457865, 9079140, 9943820, 10441011, 13921348, 14915730, 17401685, 20882022, 29831460, 34803370, 41764044, 52205055, 69606740, 104410110, 208820220]

約数ペア:

[(1, 208820220), (2, 104410110), (3, 69606740), (4, 52205055), (5, 41764044), (6, 34803370), (7, 29831460), (10, 20882022), (12, 17401685), (14, 14915730), (15, 13921348), (20, 10441011), (21, 9943820), (23, 9079140), (28, 7457865), (30, 6960674), (35, 5966292), (42, 4971910), (46, 4539570), (60, 3480337), (69, 3026380), (70, 2983146), (84, 2485955), (92, 2269785), (105, 1988764), (115, 1815828), (138, 1513190), (140, 1491573), (161, 1297020), (210, 994382), (230, 907914), (276, 756595), (322, 648510), (345, 605276), (420, 497191), (460, 453957), (483, 432340), (644, 324255), (690, 302638), (805, 259404), (966, 216170), (1380, 151319), (1610, 129702), (1932, 108085), (2415, 86468), (3220, 64851), (4830, 43234), (9660, 21617)]