123628750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:299

約数の個数: 80

約数和(自身を含む): 269913600

約数和(自身を除く): 146284850

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 71, 125, 142, 175, 199, 250, 350, 355, 398, 497, 625, 710, 875, 994, 995, 1250, 1393, 1750, 1775, 1990, 2485, 2786, 3550, 4375, 4970, 4975, 6965, 8750, 8875, 9950, 12425, 13930, 14129, 17750, 24850, 24875, 28258, 34825, 44375, 49750, 62125, 69650, 70645, 88750, 98903, 124250, 124375, 141290, 174125, 197806, 248750, 310625, 348250, 353225, 494515, 621250, 706450, 870625, 989030, 1741250, 1766125, 2472575, 3532250, 4945150, 8830625, 12362875, 17661250, 24725750, 61814375, 123628750]

約数ペア:

[(1, 123628750), (2, 61814375), (5, 24725750), (7, 17661250), (10, 12362875), (14, 8830625), (25, 4945150), (35, 3532250), (50, 2472575), (70, 1766125), (71, 1741250), (125, 989030), (142, 870625), (175, 706450), (199, 621250), (250, 494515), (350, 353225), (355, 348250), (398, 310625), (497, 248750), (625, 197806), (710, 174125), (875, 141290), (994, 124375), (995, 124250), (1250, 98903), (1393, 88750), (1750, 70645), (1775, 69650), (1990, 62125), (2485, 49750), (2786, 44375), (3550, 34825), (4375, 28258), (4970, 24875), (4975, 24850), (6965, 17750), (8750, 14129), (8875, 13930), (9950, 12425)]