331199680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{743}}^1$

素因数の和:966

約数の個数: 112

約数和(自身を含む): 907084800

約数和(自身を除く): 575885120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 199, 224, 280, 320, 398, 448, 560, 743, 796, 995, 1120, 1393, 1486, 1592, 1990, 2240, 2786, 2972, 3184, 3715, 3980, 5201, 5572, 5944, 6368, 6965, 7430, 7960, 10402, 11144, 11888, 12736, 13930, 14860, 15920, 20804, 22288, 23776, 26005, 27860, 29720, 31840, 41608, 44576, 47552, 52010, 55720, 59440, 63680, 83216, 89152, 104020, 111440, 118880, 147857, 166432, 208040, 222880, 237760, 295714, 332864, 416080, 445760, 591428, 739285, 832160, 1034999, 1182856, 1478570, 1664320, 2069998, 2365712, 2957140, 4139996, 4731424, 5174995, 5914280, 8279992, 9462848, 10349990, 11828560, 16559984, 20699980, 23657120, 33119968, 41399960, 47314240, 66239936, 82799920, 165599840, 331199680]

約数ペア:

[(1, 331199680), (2, 165599840), (4, 82799920), (5, 66239936), (7, 47314240), (8, 41399960), (10, 33119968), (14, 23657120), (16, 20699980), (20, 16559984), (28, 11828560), (32, 10349990), (35, 9462848), (40, 8279992), (56, 5914280), (64, 5174995), (70, 4731424), (80, 4139996), (112, 2957140), (140, 2365712), (160, 2069998), (199, 1664320), (224, 1478570), (280, 1182856), (320, 1034999), (398, 832160), (448, 739285), (560, 591428), (743, 445760), (796, 416080), (995, 332864), (1120, 295714), (1393, 237760), (1486, 222880), (1592, 208040), (1990, 166432), (2240, 147857), (2786, 118880), (2972, 111440), (3184, 104020), (3715, 89152), (3980, 83216), (5201, 63680), (5572, 59440), (5944, 55720), (6368, 52010), (6965, 47552), (7430, 44576), (7960, 41608), (10402, 31840), (11144, 29720), (11888, 27860), (12736, 26005), (13930, 23776), (14860, 22288), (15920, 20804)]