20177500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{1153}}^1$

素因数の和:1184

約数の個数: 60

約数和(自身を含む): 50471344

約数和(自身を除く): 30293844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 625, 700, 875, 1153, 1250, 1750, 2306, 2500, 3500, 4375, 4612, 5765, 8071, 8750, 11530, 16142, 17500, 23060, 28825, 32284, 40355, 57650, 80710, 115300, 144125, 161420, 201775, 288250, 403550, 576500, 720625, 807100, 1008875, 1441250, 2017750, 2882500, 4035500, 5044375, 10088750, 20177500]

約数ペア:

[(1, 20177500), (2, 10088750), (4, 5044375), (5, 4035500), (7, 2882500), (10, 2017750), (14, 1441250), (20, 1008875), (25, 807100), (28, 720625), (35, 576500), (50, 403550), (70, 288250), (100, 201775), (125, 161420), (140, 144125), (175, 115300), (250, 80710), (350, 57650), (500, 40355), (625, 32284), (700, 28825), (875, 23060), (1153, 17500), (1250, 16142), (1750, 11530), (2306, 8750), (2500, 8071), (3500, 5765), (4375, 4612)]