51152500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 120

約数和(自身を含む): 132957440

約数和(自身を除く): 81804940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 37, 50, 70, 74, 79, 100, 125, 140, 148, 158, 175, 185, 250, 259, 316, 350, 370, 395, 500, 518, 553, 625, 700, 740, 790, 875, 925, 1036, 1106, 1250, 1295, 1580, 1750, 1850, 1975, 2212, 2500, 2590, 2765, 2923, 3500, 3700, 3950, 4375, 4625, 5180, 5530, 5846, 6475, 7900, 8750, 9250, 9875, 11060, 11692, 12950, 13825, 14615, 17500, 18500, 19750, 20461, 23125, 25900, 27650, 29230, 32375, 39500, 40922, 46250, 49375, 55300, 58460, 64750, 69125, 73075, 81844, 92500, 98750, 102305, 129500, 138250, 146150, 161875, 197500, 204610, 276500, 292300, 323750, 345625, 365375, 409220, 511525, 647500, 691250, 730750, 1023050, 1382500, 1461500, 1826875, 2046100, 2557625, 3653750, 5115250, 7307500, 10230500, 12788125, 25576250, 51152500]

約数ペア:

[(1, 51152500), (2, 25576250), (4, 12788125), (5, 10230500), (7, 7307500), (10, 5115250), (14, 3653750), (20, 2557625), (25, 2046100), (28, 1826875), (35, 1461500), (37, 1382500), (50, 1023050), (70, 730750), (74, 691250), (79, 647500), (100, 511525), (125, 409220), (140, 365375), (148, 345625), (158, 323750), (175, 292300), (185, 276500), (250, 204610), (259, 197500), (316, 161875), (350, 146150), (370, 138250), (395, 129500), (500, 102305), (518, 98750), (553, 92500), (625, 81844), (700, 73075), (740, 69125), (790, 64750), (875, 58460), (925, 55300), (1036, 49375), (1106, 46250), (1250, 40922), (1295, 39500), (1580, 32375), (1750, 29230), (1850, 27650), (1975, 25900), (2212, 23125), (2500, 20461), (2590, 19750), (2765, 18500), (2923, 17500), (3500, 14615), (3700, 13825), (3950, 12950), (4375, 11692), (4625, 11060), (5180, 9875), (5530, 9250), (5846, 8750), (6475, 7900)]