31899700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 79856000

約数和(自身を除く): 47956300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 199, 229, 350, 398, 458, 700, 796, 916, 995, 1145, 1393, 1603, 1990, 2290, 2786, 3206, 3980, 4580, 4975, 5572, 5725, 6412, 6965, 8015, 9950, 11450, 13930, 16030, 19900, 22900, 27860, 32060, 34825, 40075, 45571, 69650, 80150, 91142, 139300, 160300, 182284, 227855, 318997, 455710, 637994, 911420, 1139275, 1275988, 1594985, 2278550, 3189970, 4557100, 6379940, 7974925, 15949850, 31899700]

約数ペア:

[(1, 31899700), (2, 15949850), (4, 7974925), (5, 6379940), (7, 4557100), (10, 3189970), (14, 2278550), (20, 1594985), (25, 1275988), (28, 1139275), (35, 911420), (50, 637994), (70, 455710), (100, 318997), (140, 227855), (175, 182284), (199, 160300), (229, 139300), (350, 91142), (398, 80150), (458, 69650), (700, 45571), (796, 40075), (916, 34825), (995, 32060), (1145, 27860), (1393, 22900), (1603, 19900), (1990, 16030), (2290, 13930), (2786, 11450), (3206, 9950), (3980, 8015), (4580, 6965), (4975, 6412), (5572, 5725)]