388638880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{983}}^1$

素因数の和:1358

約数の個数: 96

約数和(自身を含む): 1053368064

約数和(自身を除く): 664729184

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, 353, 560, 706, 983, 1120, 1412, 1765, 1966, 2471, 2824, 3530, 3932, 4915, 4942, 5648, 6881, 7060, 7864, 9830, 9884, 11296, 12355, 13762, 14120, 15728, 19660, 19768, 24710, 27524, 28240, 31456, 34405, 39320, 39536, 49420, 55048, 56480, 68810, 78640, 79072, 98840, 110096, 137620, 157280, 197680, 220192, 275240, 346999, 395360, 550480, 693998, 1100960, 1387996, 1734995, 2428993, 2775992, 3469990, 4857986, 5551984, 6939980, 9715972, 11103968, 12144965, 13879960, 19431944, 24289930, 27759920, 38863888, 48579860, 55519840, 77727776, 97159720, 194319440, 388638880]

約数ペア:

[(1, 388638880), (2, 194319440), (4, 97159720), (5, 77727776), (7, 55519840), (8, 48579860), (10, 38863888), (14, 27759920), (16, 24289930), (20, 19431944), (28, 13879960), (32, 12144965), (35, 11103968), (40, 9715972), (56, 6939980), (70, 5551984), (80, 4857986), (112, 3469990), (140, 2775992), (160, 2428993), (224, 1734995), (280, 1387996), (353, 1100960), (560, 693998), (706, 550480), (983, 395360), (1120, 346999), (1412, 275240), (1765, 220192), (1966, 197680), (2471, 157280), (2824, 137620), (3530, 110096), (3932, 98840), (4915, 79072), (4942, 78640), (5648, 68810), (6881, 56480), (7060, 55048), (7864, 49420), (9830, 39536), (9884, 39320), (11296, 34405), (12355, 31456), (13762, 28240), (14120, 27524), (15728, 24710), (19660, 19768)]