343071520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{491}}^1$

素因数の和:914

約数の個数: 96

約数和(自身を含む): 888221376

約数和(自身を除く): 545149856

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 397, 440, 491, 794, 880, 982, 1588, 1760, 1964, 1985, 2455, 3176, 3928, 3970, 4367, 4910, 5401, 6352, 7856, 7940, 8734, 9820, 10802, 12704, 15712, 15880, 17468, 19640, 21604, 21835, 27005, 31760, 34936, 39280, 43208, 43670, 54010, 63520, 69872, 78560, 86416, 87340, 108020, 139744, 172832, 174680, 194927, 216040, 349360, 389854, 432080, 698720, 779708, 864160, 974635, 1559416, 1949270, 2144197, 3118832, 3898540, 4288394, 6237664, 7797080, 8576788, 10720985, 15594160, 17153576, 21441970, 31188320, 34307152, 42883940, 68614304, 85767880, 171535760, 343071520]

約数ペア:

[(1, 343071520), (2, 171535760), (4, 85767880), (5, 68614304), (8, 42883940), (10, 34307152), (11, 31188320), (16, 21441970), (20, 17153576), (22, 15594160), (32, 10720985), (40, 8576788), (44, 7797080), (55, 6237664), (80, 4288394), (88, 3898540), (110, 3118832), (160, 2144197), (176, 1949270), (220, 1559416), (352, 974635), (397, 864160), (440, 779708), (491, 698720), (794, 432080), (880, 389854), (982, 349360), (1588, 216040), (1760, 194927), (1964, 174680), (1985, 172832), (2455, 139744), (3176, 108020), (3928, 87340), (3970, 86416), (4367, 78560), (4910, 69872), (5401, 63520), (6352, 54010), (7856, 43670), (7940, 43208), (8734, 39280), (9820, 34936), (10802, 31760), (12704, 27005), (15712, 21835), (15880, 21604), (17468, 19640)]