28299250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 61521408

約数和(自身を除く): 33222158

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 103, 125, 157, 175, 206, 250, 314, 350, 515, 721, 785, 875, 1030, 1099, 1442, 1570, 1750, 2198, 2575, 3605, 3925, 5150, 5495, 7210, 7850, 10990, 12875, 16171, 18025, 19625, 25750, 27475, 32342, 36050, 39250, 54950, 80855, 90125, 113197, 137375, 161710, 180250, 226394, 274750, 404275, 565985, 808550, 1131970, 2021375, 2829925, 4042750, 5659850, 14149625, 28299250]

約数ペア:

[(1, 28299250), (2, 14149625), (5, 5659850), (7, 4042750), (10, 2829925), (14, 2021375), (25, 1131970), (35, 808550), (50, 565985), (70, 404275), (103, 274750), (125, 226394), (157, 180250), (175, 161710), (206, 137375), (250, 113197), (314, 90125), (350, 80855), (515, 54950), (721, 39250), (785, 36050), (875, 32342), (1030, 27475), (1099, 25750), (1442, 19625), (1570, 18025), (1750, 16171), (2198, 12875), (2575, 10990), (3605, 7850), (3925, 7210), (5150, 5495)]