279779840

素因数分解:

$2^9\times 5^1\times {\mathrm{293}}^1\times {\mathrm{373}}^1$

素因数の和:689

約数の個数: 80

約数和(自身を含む): 674909928

約数和(自身を除く): 395130088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 293, 320, 373, 512, 586, 640, 746, 1172, 1280, 1465, 1492, 1865, 2344, 2560, 2930, 2984, 3730, 4688, 5860, 5968, 7460, 9376, 11720, 11936, 14920, 18752, 23440, 23872, 29840, 37504, 46880, 47744, 59680, 75008, 93760, 95488, 109289, 119360, 150016, 187520, 190976, 218578, 238720, 375040, 437156, 477440, 546445, 750080, 874312, 954880, 1092890, 1748624, 2185780, 3497248, 4371560, 6994496, 8743120, 13988992, 17486240, 27977984, 34972480, 55955968, 69944960, 139889920, 279779840]

約数ペア:

[(1, 279779840), (2, 139889920), (4, 69944960), (5, 55955968), (8, 34972480), (10, 27977984), (16, 17486240), (20, 13988992), (32, 8743120), (40, 6994496), (64, 4371560), (80, 3497248), (128, 2185780), (160, 1748624), (256, 1092890), (293, 954880), (320, 874312), (373, 750080), (512, 546445), (586, 477440), (640, 437156), (746, 375040), (1172, 238720), (1280, 218578), (1465, 190976), (1492, 187520), (1865, 150016), (2344, 119360), (2560, 109289), (2930, 95488), (2984, 93760), (3730, 75008), (4688, 59680), (5860, 47744), (5968, 46880), (7460, 37504), (9376, 29840), (11720, 23872), (11936, 23440), (14920, 18752)]