31551100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:212

約数の個数: 108

約数和(自身を含む): 81932256

約数和(自身を除く): 50381156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 47, 49, 50, 70, 94, 98, 100, 137, 140, 175, 188, 196, 235, 245, 274, 329, 350, 470, 490, 548, 658, 685, 700, 940, 959, 980, 1175, 1225, 1316, 1370, 1645, 1918, 2303, 2350, 2450, 2740, 3290, 3425, 3836, 4606, 4700, 4795, 4900, 6439, 6580, 6713, 6850, 8225, 9212, 9590, 11515, 12878, 13426, 13700, 16450, 19180, 23030, 23975, 25756, 26852, 32195, 32900, 33565, 45073, 46060, 47950, 57575, 64390, 67130, 90146, 95900, 115150, 128780, 134260, 160975, 167825, 180292, 225365, 230300, 315511, 321950, 335650, 450730, 631022, 643900, 671300, 901460, 1126825, 1262044, 1577555, 2253650, 3155110, 4507300, 6310220, 7887775, 15775550, 31551100]

約数ペア:

[(1, 31551100), (2, 15775550), (4, 7887775), (5, 6310220), (7, 4507300), (10, 3155110), (14, 2253650), (20, 1577555), (25, 1262044), (28, 1126825), (35, 901460), (47, 671300), (49, 643900), (50, 631022), (70, 450730), (94, 335650), (98, 321950), (100, 315511), (137, 230300), (140, 225365), (175, 180292), (188, 167825), (196, 160975), (235, 134260), (245, 128780), (274, 115150), (329, 95900), (350, 90146), (470, 67130), (490, 64390), (548, 57575), (658, 47950), (685, 46060), (700, 45073), (940, 33565), (959, 32900), (980, 32195), (1175, 26852), (1225, 25756), (1316, 23975), (1370, 23030), (1645, 19180), (1918, 16450), (2303, 13700), (2350, 13426), (2450, 12878), (2740, 11515), (3290, 9590), (3425, 9212), (3836, 8225), (4606, 6850), (4700, 6713), (4795, 6580), (4900, 6439)]