28820750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 63258624

約数和(自身を除く): 34437874

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 43, 50, 70, 86, 125, 175, 215, 250, 301, 350, 383, 430, 602, 766, 875, 1075, 1505, 1750, 1915, 2150, 2681, 3010, 3830, 5362, 5375, 7525, 9575, 10750, 13405, 15050, 16469, 19150, 26810, 32938, 37625, 47875, 67025, 75250, 82345, 95750, 115283, 134050, 164690, 230566, 335125, 411725, 576415, 670250, 823450, 1152830, 2058625, 2882075, 4117250, 5764150, 14410375, 28820750]

約数ペア:

[(1, 28820750), (2, 14410375), (5, 5764150), (7, 4117250), (10, 2882075), (14, 2058625), (25, 1152830), (35, 823450), (43, 670250), (50, 576415), (70, 411725), (86, 335125), (125, 230566), (175, 164690), (215, 134050), (250, 115283), (301, 95750), (350, 82345), (383, 75250), (430, 67025), (602, 47875), (766, 37625), (875, 32938), (1075, 26810), (1505, 19150), (1750, 16469), (1915, 15050), (2150, 13405), (2681, 10750), (3010, 9575), (3830, 7525), (5362, 5375)]