228717008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:580

約数の個数: 80

約数和(自身を含む): 499968000

約数和(自身を除く): 271250992

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 79, 104, 124, 158, 208, 248, 316, 403, 449, 496, 632, 806, 898, 1027, 1264, 1612, 1796, 2054, 2449, 3224, 3592, 4108, 4898, 5837, 6448, 7184, 8216, 9796, 11674, 13919, 16432, 19592, 23348, 27838, 31837, 35471, 39184, 46696, 55676, 63674, 70942, 93392, 111352, 127348, 141884, 180947, 222704, 254696, 283768, 361894, 461123, 509392, 567536, 723788, 922246, 1099601, 1447576, 1844492, 2199202, 2895152, 3688984, 4398404, 7377968, 8796808, 14294813, 17593616, 28589626, 57179252, 114358504, 228717008]

約数ペア:

[(1, 228717008), (2, 114358504), (4, 57179252), (8, 28589626), (13, 17593616), (16, 14294813), (26, 8796808), (31, 7377968), (52, 4398404), (62, 3688984), (79, 2895152), (104, 2199202), (124, 1844492), (158, 1447576), (208, 1099601), (248, 922246), (316, 723788), (403, 567536), (449, 509392), (496, 461123), (632, 361894), (806, 283768), (898, 254696), (1027, 222704), (1264, 180947), (1612, 141884), (1796, 127348), (2054, 111352), (2449, 93392), (3224, 70942), (3592, 63674), (4108, 55676), (4898, 46696), (5837, 39184), (6448, 35471), (7184, 31837), (8216, 27838), (9796, 23348), (11674, 19592), (13919, 16432)]