8447460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20113}}^1$

素因数の和:20132

約数の個数: 48

約数和(自身を含む): 27033216

約数和(自身を除く): 18585756

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 20113, 40226, 60339, 80452, 100565, 120678, 140791, 201130, 241356, 281582, 301695, 402260, 422373, 563164, 603390, 703955, 844746, 1206780, 1407910, 1689492, 2111865, 2815820, 4223730, 8447460]

約数ペア:

[(1, 8447460), (2, 4223730), (3, 2815820), (4, 2111865), (5, 1689492), (6, 1407910), (7, 1206780), (10, 844746), (12, 703955), (14, 603390), (15, 563164), (20, 422373), (21, 402260), (28, 301695), (30, 281582), (35, 241356), (42, 201130), (60, 140791), (70, 120678), (84, 100565), (105, 80452), (140, 60339), (210, 40226), (420, 20113)]