71129800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 201504960

約数和(自身を除く): 130375160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 35, 40, 46, 47, 50, 56, 70, 92, 94, 100, 115, 140, 161, 175, 184, 188, 200, 230, 235, 280, 322, 329, 350, 376, 460, 470, 575, 644, 658, 700, 805, 920, 940, 1081, 1150, 1175, 1288, 1316, 1400, 1610, 1645, 1880, 2162, 2209, 2300, 2350, 2632, 3220, 3290, 4025, 4324, 4418, 4600, 4700, 5405, 6440, 6580, 7567, 8050, 8225, 8648, 8836, 9400, 10810, 11045, 13160, 15134, 15463, 16100, 16450, 17672, 21620, 22090, 27025, 30268, 30926, 32200, 32900, 37835, 43240, 44180, 50807, 54050, 55225, 60536, 61852, 65800, 75670, 77315, 88360, 101614, 108100, 110450, 123704, 151340, 154630, 189175, 203228, 216200, 220900, 254035, 302680, 309260, 355649, 378350, 386575, 406456, 441800, 508070, 618520, 711298, 756700, 773150, 1016140, 1270175, 1422596, 1513400, 1546300, 1778245, 2032280, 2540350, 2845192, 3092600, 3556490, 5080700, 7112980, 8891225, 10161400, 14225960, 17782450, 35564900, 71129800]

約数ペア:

[(1, 71129800), (2, 35564900), (4, 17782450), (5, 14225960), (7, 10161400), (8, 8891225), (10, 7112980), (14, 5080700), (20, 3556490), (23, 3092600), (25, 2845192), (28, 2540350), (35, 2032280), (40, 1778245), (46, 1546300), (47, 1513400), (50, 1422596), (56, 1270175), (70, 1016140), (92, 773150), (94, 756700), (100, 711298), (115, 618520), (140, 508070), (161, 441800), (175, 406456), (184, 386575), (188, 378350), (200, 355649), (230, 309260), (235, 302680), (280, 254035), (322, 220900), (329, 216200), (350, 203228), (376, 189175), (460, 154630), (470, 151340), (575, 123704), (644, 110450), (658, 108100), (700, 101614), (805, 88360), (920, 77315), (940, 75670), (1081, 65800), (1150, 61852), (1175, 60536), (1288, 55225), (1316, 54050), (1400, 50807), (1610, 44180), (1645, 43240), (1880, 37835), (2162, 32900), (2209, 32200), (2300, 30926), (2350, 30268), (2632, 27025), (3220, 22090), (3290, 21620), (4025, 17672), (4324, 16450), (4418, 16100), (4600, 15463), (4700, 15134), (5405, 13160), (6440, 11045), (6580, 10810), (7567, 9400), (8050, 8836), (8225, 8648)]