78898750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 80

約数和(自身を含む): 172744704

約数和(自身を除く): 93845954

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 71, 125, 127, 142, 175, 250, 254, 350, 355, 497, 625, 635, 710, 875, 889, 994, 1250, 1270, 1750, 1775, 1778, 2485, 3175, 3550, 4375, 4445, 4970, 6350, 8750, 8875, 8890, 9017, 12425, 15875, 17750, 18034, 22225, 24850, 31750, 44375, 44450, 45085, 62125, 63119, 79375, 88750, 90170, 111125, 124250, 126238, 158750, 222250, 225425, 310625, 315595, 450850, 555625, 621250, 631190, 1111250, 1127125, 1577975, 2254250, 3155950, 5635625, 7889875, 11271250, 15779750, 39449375, 78898750]

約数ペア:

[(1, 78898750), (2, 39449375), (5, 15779750), (7, 11271250), (10, 7889875), (14, 5635625), (25, 3155950), (35, 2254250), (50, 1577975), (70, 1127125), (71, 1111250), (125, 631190), (127, 621250), (142, 555625), (175, 450850), (250, 315595), (254, 310625), (350, 225425), (355, 222250), (497, 158750), (625, 126238), (635, 124250), (710, 111125), (875, 90170), (889, 88750), (994, 79375), (1250, 63119), (1270, 62125), (1750, 45085), (1775, 44450), (1778, 44375), (2485, 31750), (3175, 24850), (3550, 22225), (4375, 18034), (4445, 17750), (4970, 15875), (6350, 12425), (8750, 9017), (8875, 8890)]