289558480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{967}}^1$

素因数の和:1196

約数の個数: 80

約数和(自身を含む): 712990080

約数和(自身を除く): 423431600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 197, 304, 380, 394, 760, 788, 967, 985, 1520, 1576, 1934, 1970, 3152, 3743, 3868, 3940, 4835, 7486, 7736, 7880, 9670, 14972, 15472, 15760, 18373, 18715, 19340, 29944, 36746, 37430, 38680, 59888, 73492, 74860, 77360, 91865, 146984, 149720, 183730, 190499, 293968, 299440, 367460, 380998, 734920, 761996, 952495, 1469840, 1523992, 1904990, 3047984, 3619481, 3809980, 7238962, 7619960, 14477924, 15239920, 18097405, 28955848, 36194810, 57911696, 72389620, 144779240, 289558480]

約数ペア:

[(1, 289558480), (2, 144779240), (4, 72389620), (5, 57911696), (8, 36194810), (10, 28955848), (16, 18097405), (19, 15239920), (20, 14477924), (38, 7619960), (40, 7238962), (76, 3809980), (80, 3619481), (95, 3047984), (152, 1904990), (190, 1523992), (197, 1469840), (304, 952495), (380, 761996), (394, 734920), (760, 380998), (788, 367460), (967, 299440), (985, 293968), (1520, 190499), (1576, 183730), (1934, 149720), (1970, 146984), (3152, 91865), (3743, 77360), (3868, 74860), (3940, 73492), (4835, 59888), (7486, 38680), (7736, 37430), (7880, 36746), (9670, 29944), (14972, 19340), (15472, 18715), (15760, 18373)]