78539200

素因数分解:

$2^6\times 5^2\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:470

約数の個数: 84

約数和(自身を含む): 195023232

約数和(自身を除く): 116484032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 191, 200, 257, 320, 382, 400, 514, 764, 800, 955, 1028, 1285, 1528, 1600, 1910, 2056, 2570, 3056, 3820, 4112, 4775, 5140, 6112, 6425, 7640, 8224, 9550, 10280, 12224, 12850, 15280, 16448, 19100, 20560, 25700, 30560, 38200, 41120, 49087, 51400, 61120, 76400, 82240, 98174, 102800, 152800, 196348, 205600, 245435, 305600, 392696, 411200, 490870, 785392, 981740, 1227175, 1570784, 1963480, 2454350, 3141568, 3926960, 4908700, 7853920, 9817400, 15707840, 19634800, 39269600, 78539200]

約数ペア:

[(1, 78539200), (2, 39269600), (4, 19634800), (5, 15707840), (8, 9817400), (10, 7853920), (16, 4908700), (20, 3926960), (25, 3141568), (32, 2454350), (40, 1963480), (50, 1570784), (64, 1227175), (80, 981740), (100, 785392), (160, 490870), (191, 411200), (200, 392696), (257, 305600), (320, 245435), (382, 205600), (400, 196348), (514, 152800), (764, 102800), (800, 98174), (955, 82240), (1028, 76400), (1285, 61120), (1528, 51400), (1600, 49087), (1910, 41120), (2056, 38200), (2570, 30560), (3056, 25700), (3820, 20560), (4112, 19100), (4775, 16448), (5140, 15280), (6112, 12850), (6425, 12224), (7640, 10280), (8224, 9550)]