31565380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 83865600

約数和(自身を除く): 52300220

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 103, 110, 140, 154, 199, 206, 220, 308, 385, 398, 412, 515, 721, 770, 796, 995, 1030, 1133, 1393, 1442, 1540, 1990, 2060, 2189, 2266, 2786, 2884, 3605, 3980, 4378, 4532, 5572, 5665, 6965, 7210, 7931, 8756, 10945, 11330, 13930, 14420, 15323, 15862, 20497, 21890, 22660, 27860, 30646, 31724, 39655, 40994, 43780, 61292, 76615, 79310, 81988, 102485, 143479, 153230, 158620, 204970, 225467, 286958, 306460, 409940, 450934, 573916, 717395, 901868, 1127335, 1434790, 1578269, 2254670, 2869580, 3156538, 4509340, 6313076, 7891345, 15782690, 31565380]

約数ペア:

[(1, 31565380), (2, 15782690), (4, 7891345), (5, 6313076), (7, 4509340), (10, 3156538), (11, 2869580), (14, 2254670), (20, 1578269), (22, 1434790), (28, 1127335), (35, 901868), (44, 717395), (55, 573916), (70, 450934), (77, 409940), (103, 306460), (110, 286958), (140, 225467), (154, 204970), (199, 158620), (206, 153230), (220, 143479), (308, 102485), (385, 81988), (398, 79310), (412, 76615), (515, 61292), (721, 43780), (770, 40994), (796, 39655), (995, 31724), (1030, 30646), (1133, 27860), (1393, 22660), (1442, 21890), (1540, 20497), (1990, 15862), (2060, 15323), (2189, 14420), (2266, 13930), (2786, 11330), (2884, 10945), (3605, 8756), (3980, 7931), (4378, 7210), (4532, 6965), (5572, 5665)]