70212100

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:147

約数の個数: 144

約数和(自身を含む): 187488000

約数和(自身を除く): 117275900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 49, 50, 70, 89, 92, 98, 100, 115, 140, 161, 175, 178, 196, 230, 245, 322, 343, 350, 356, 445, 460, 490, 575, 623, 644, 686, 700, 805, 890, 980, 1127, 1150, 1225, 1246, 1372, 1610, 1715, 1780, 2047, 2225, 2254, 2300, 2450, 2492, 3115, 3220, 3430, 4025, 4094, 4361, 4450, 4508, 4900, 5635, 6230, 6860, 7889, 8050, 8188, 8575, 8722, 8900, 10235, 11270, 12460, 14329, 15575, 15778, 16100, 17150, 17444, 20470, 21805, 22540, 28175, 28658, 30527, 31150, 31556, 34300, 39445, 40940, 43610, 51175, 56350, 57316, 61054, 62300, 71645, 78890, 87220, 100303, 102350, 109025, 112700, 122108, 143290, 152635, 157780, 197225, 200606, 204700, 218050, 286580, 305270, 358225, 394450, 401212, 436100, 501515, 610540, 702121, 716450, 763175, 788900, 1003030, 1404242, 1432900, 1526350, 2006060, 2507575, 2808484, 3052700, 3510605, 5015150, 7021210, 10030300, 14042420, 17553025, 35106050, 70212100]

約数ペア:

[(1, 70212100), (2, 35106050), (4, 17553025), (5, 14042420), (7, 10030300), (10, 7021210), (14, 5015150), (20, 3510605), (23, 3052700), (25, 2808484), (28, 2507575), (35, 2006060), (46, 1526350), (49, 1432900), (50, 1404242), (70, 1003030), (89, 788900), (92, 763175), (98, 716450), (100, 702121), (115, 610540), (140, 501515), (161, 436100), (175, 401212), (178, 394450), (196, 358225), (230, 305270), (245, 286580), (322, 218050), (343, 204700), (350, 200606), (356, 197225), (445, 157780), (460, 152635), (490, 143290), (575, 122108), (623, 112700), (644, 109025), (686, 102350), (700, 100303), (805, 87220), (890, 78890), (980, 71645), (1127, 62300), (1150, 61054), (1225, 57316), (1246, 56350), (1372, 51175), (1610, 43610), (1715, 40940), (1780, 39445), (2047, 34300), (2225, 31556), (2254, 31150), (2300, 30527), (2450, 28658), (2492, 28175), (3115, 22540), (3220, 21805), (3430, 20470), (4025, 17444), (4094, 17150), (4361, 16100), (4450, 15778), (4508, 15575), (4900, 14329), (5635, 12460), (6230, 11270), (6860, 10235), (7889, 8900), (8050, 8722), (8188, 8575)]