198890720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{571}}^1$

素因数の和:904

約数の個数: 96

約数和(自身を含む): 539675136

約数和(自身を除く): 340784416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 311, 560, 571, 622, 1120, 1142, 1244, 1555, 2177, 2284, 2488, 2855, 3110, 3997, 4354, 4568, 4976, 5710, 6220, 7994, 8708, 9136, 9952, 10885, 11420, 12440, 15988, 17416, 18272, 19985, 21770, 22840, 24880, 31976, 34832, 39970, 43540, 45680, 49760, 63952, 69664, 79940, 87080, 91360, 127904, 159880, 174160, 177581, 319760, 348320, 355162, 639520, 710324, 887905, 1243067, 1420648, 1775810, 2486134, 2841296, 3551620, 4972268, 5682592, 6215335, 7103240, 9944536, 12430670, 14206480, 19889072, 24861340, 28412960, 39778144, 49722680, 99445360, 198890720]

約数ペア:

[(1, 198890720), (2, 99445360), (4, 49722680), (5, 39778144), (7, 28412960), (8, 24861340), (10, 19889072), (14, 14206480), (16, 12430670), (20, 9944536), (28, 7103240), (32, 6215335), (35, 5682592), (40, 4972268), (56, 3551620), (70, 2841296), (80, 2486134), (112, 1775810), (140, 1420648), (160, 1243067), (224, 887905), (280, 710324), (311, 639520), (560, 355162), (571, 348320), (622, 319760), (1120, 177581), (1142, 174160), (1244, 159880), (1555, 127904), (2177, 91360), (2284, 87080), (2488, 79940), (2855, 69664), (3110, 63952), (3997, 49760), (4354, 45680), (4568, 43540), (4976, 39970), (5710, 34832), (6220, 31976), (7994, 24880), (8708, 22840), (9136, 21770), (9952, 19985), (10885, 18272), (11420, 17416), (12440, 15988)]