18838750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{2153}}^1$

素因数の和:2182

約数の個数: 40

約数和(自身を含む): 40374576

約数和(自身を除く): 21535826

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 625, 875, 1250, 1750, 2153, 4306, 4375, 8750, 10765, 15071, 21530, 30142, 53825, 75355, 107650, 150710, 269125, 376775, 538250, 753550, 1345625, 1883875, 2691250, 3767750, 9419375, 18838750]

約数ペア:

[(1, 18838750), (2, 9419375), (5, 3767750), (7, 2691250), (10, 1883875), (14, 1345625), (25, 753550), (35, 538250), (50, 376775), (70, 269125), (125, 150710), (175, 107650), (250, 75355), (350, 53825), (625, 30142), (875, 21530), (1250, 15071), (1750, 10765), (2153, 8750), (4306, 4375)]