398487888

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:210

約数の個数: 240

約数和(自身を含む): 1253491200

約数和(自身を除く): 855003312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 31, 34, 36, 48, 51, 59, 62, 68, 72, 89, 93, 102, 118, 124, 136, 144, 153, 177, 178, 186, 204, 236, 248, 267, 272, 279, 306, 354, 356, 372, 408, 472, 496, 527, 531, 534, 558, 612, 708, 712, 744, 801, 816, 944, 1003, 1054, 1062, 1068, 1116, 1224, 1416, 1424, 1488, 1513, 1581, 1602, 1829, 2006, 2108, 2124, 2136, 2232, 2448, 2759, 2832, 3009, 3026, 3162, 3204, 3658, 4012, 4216, 4248, 4272, 4464, 4539, 4743, 5251, 5487, 5518, 6018, 6052, 6324, 6408, 7316, 8024, 8277, 8432, 8496, 9027, 9078, 9486, 10502, 10974, 11036, 12036, 12104, 12648, 12816, 13617, 14632, 15753, 16048, 16461, 16554, 18054, 18156, 18972, 21004, 21948, 22072, 24072, 24208, 24831, 25296, 27234, 29264, 31093, 31506, 32922, 33108, 36108, 36312, 37944, 42008, 43896, 44144, 46903, 47259, 48144, 49662, 54468, 62186, 63012, 65844, 66216, 72216, 72624, 75888, 84016, 87792, 89267, 93279, 93806, 94518, 99324, 108936, 124372, 126024, 131688, 132432, 140709, 144432, 162781, 178534, 186558, 187612, 189036, 198648, 217872, 248744, 252048, 263376, 267801, 279837, 281418, 325562, 357068, 373116, 375224, 378072, 397296, 422127, 488343, 497488, 535602, 559674, 562836, 651124, 714136, 746232, 750448, 756144, 803403, 844254, 976686, 1071204, 1119348, 1125672, 1302248, 1428272, 1465029, 1492464, 1606806, 1688508, 1953372, 2142408, 2238696, 2251344, 2604496, 2767277, 2930058, 3213612, 3377016, 3906744, 4284816, 4477392, 5534554, 5860116, 6427224, 6754032, 7813488, 8301831, 11069108, 11720232, 12854448, 16603662, 22138216, 23440464, 24905493, 33207324, 44276432, 49810986, 66414648, 99621972, 132829296, 199243944, 398487888]

約数ペア:

[(1, 398487888), (2, 199243944), (3, 132829296), (4, 99621972), (6, 66414648), (8, 49810986), (9, 44276432), (12, 33207324), (16, 24905493), (17, 23440464), (18, 22138216), (24, 16603662), (31, 12854448), (34, 11720232), (36, 11069108), (48, 8301831), (51, 7813488), (59, 6754032), (62, 6427224), (68, 5860116), (72, 5534554), (89, 4477392), (93, 4284816), (102, 3906744), (118, 3377016), (124, 3213612), (136, 2930058), (144, 2767277), (153, 2604496), (177, 2251344), (178, 2238696), (186, 2142408), (204, 1953372), (236, 1688508), (248, 1606806), (267, 1492464), (272, 1465029), (279, 1428272), (306, 1302248), (354, 1125672), (356, 1119348), (372, 1071204), (408, 976686), (472, 844254), (496, 803403), (527, 756144), (531, 750448), (534, 746232), (558, 714136), (612, 651124), (708, 562836), (712, 559674), (744, 535602), (801, 497488), (816, 488343), (944, 422127), (1003, 397296), (1054, 378072), (1062, 375224), (1068, 373116), (1116, 357068), (1224, 325562), (1416, 281418), (1424, 279837), (1488, 267801), (1513, 263376), (1581, 252048), (1602, 248744), (1829, 217872), (2006, 198648), (2108, 189036), (2124, 187612), (2136, 186558), (2232, 178534), (2448, 162781), (2759, 144432), (2832, 140709), (3009, 132432), (3026, 131688), (3162, 126024), (3204, 124372), (3658, 108936), (4012, 99324), (4216, 94518), (4248, 93806), (4272, 93279), (4464, 89267), (4539, 87792), (4743, 84016), (5251, 75888), (5487, 72624), (5518, 72216), (6018, 66216), (6052, 65844), (6324, 63012), (6408, 62186), (7316, 54468), (8024, 49662), (8277, 48144), (8432, 47259), (8496, 46903), (9027, 44144), (9078, 43896), (9486, 42008), (10502, 37944), (10974, 36312), (11036, 36108), (12036, 33108), (12104, 32922), (12648, 31506), (12816, 31093), (13617, 29264), (14632, 27234), (15753, 25296), (16048, 24831), (16461, 24208), (16554, 24072), (18054, 22072), (18156, 21948), (18972, 21004)]