31621100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 79161600

約数和(自身を除く): 47540500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 199, 227, 350, 398, 454, 700, 796, 908, 995, 1135, 1393, 1589, 1990, 2270, 2786, 3178, 3980, 4540, 4975, 5572, 5675, 6356, 6965, 7945, 9950, 11350, 13930, 15890, 19900, 22700, 27860, 31780, 34825, 39725, 45173, 69650, 79450, 90346, 139300, 158900, 180692, 225865, 316211, 451730, 632422, 903460, 1129325, 1264844, 1581055, 2258650, 3162110, 4517300, 6324220, 7905275, 15810550, 31621100]

約数ペア:

[(1, 31621100), (2, 15810550), (4, 7905275), (5, 6324220), (7, 4517300), (10, 3162110), (14, 2258650), (20, 1581055), (25, 1264844), (28, 1129325), (35, 903460), (50, 632422), (70, 451730), (100, 316211), (140, 225865), (175, 180692), (199, 158900), (227, 139300), (350, 90346), (398, 79450), (454, 69650), (700, 45173), (796, 39725), (908, 34825), (995, 31780), (1135, 27860), (1393, 22700), (1589, 19900), (1990, 15890), (2270, 13930), (2786, 11350), (3178, 9950), (3980, 7945), (4540, 6965), (4975, 6356), (5572, 5675)]