78317240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103049}}^1$

素因数の和:103079

約数の個数: 32

約数和(自身を含む): 185490000

約数和(自身を除く): 107172760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 103049, 206098, 412196, 515245, 824392, 1030490, 1957931, 2060980, 3915862, 4121960, 7831724, 9789655, 15663448, 19579310, 39158620, 78317240]

約数ペア:

[(1, 78317240), (2, 39158620), (4, 19579310), (5, 15663448), (8, 9789655), (10, 7831724), (19, 4121960), (20, 3915862), (38, 2060980), (40, 1957931), (76, 1030490), (95, 824392), (152, 515245), (190, 412196), (380, 206098), (760, 103049)]