390775952

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:556

約数の個数: 80

約数和(自身を含む): 885276672

約数和(自身を除く): 494500720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 127, 166, 254, 331, 332, 508, 581, 662, 664, 889, 1016, 1162, 1324, 1328, 1778, 2032, 2317, 2324, 2648, 3556, 4634, 4648, 5296, 7112, 9268, 9296, 10541, 14224, 18536, 21082, 27473, 37072, 42037, 42164, 54946, 73787, 84074, 84328, 109892, 147574, 168148, 168656, 192311, 219784, 294259, 295148, 336296, 384622, 439568, 588518, 590296, 672592, 769244, 1177036, 1180592, 1538488, 2354072, 3076976, 3489071, 4708144, 6978142, 13956284, 24423497, 27912568, 48846994, 55825136, 97693988, 195387976, 390775952]

約数ペア:

[(1, 390775952), (2, 195387976), (4, 97693988), (7, 55825136), (8, 48846994), (14, 27912568), (16, 24423497), (28, 13956284), (56, 6978142), (83, 4708144), (112, 3489071), (127, 3076976), (166, 2354072), (254, 1538488), (331, 1180592), (332, 1177036), (508, 769244), (581, 672592), (662, 590296), (664, 588518), (889, 439568), (1016, 384622), (1162, 336296), (1324, 295148), (1328, 294259), (1778, 219784), (2032, 192311), (2317, 168656), (2324, 168148), (2648, 147574), (3556, 109892), (4634, 84328), (4648, 84074), (5296, 73787), (7112, 54946), (9268, 42164), (9296, 42037), (10541, 37072), (14224, 27473), (18536, 21082)]