65444900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 152005896

約数和(自身を除く): 86560996

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 137, 170, 274, 281, 340, 425, 548, 562, 685, 850, 1124, 1370, 1405, 1700, 2329, 2740, 2810, 3425, 4658, 4777, 5620, 6850, 7025, 9316, 9554, 11645, 13700, 14050, 19108, 23290, 23885, 28100, 38497, 46580, 47770, 58225, 76994, 95540, 116450, 119425, 153988, 192485, 232900, 238850, 384970, 477700, 654449, 769940, 962425, 1308898, 1924850, 2617796, 3272245, 3849700, 6544490, 13088980, 16361225, 32722450, 65444900]

約数ペア:

[(1, 65444900), (2, 32722450), (4, 16361225), (5, 13088980), (10, 6544490), (17, 3849700), (20, 3272245), (25, 2617796), (34, 1924850), (50, 1308898), (68, 962425), (85, 769940), (100, 654449), (137, 477700), (170, 384970), (274, 238850), (281, 232900), (340, 192485), (425, 153988), (548, 119425), (562, 116450), (685, 95540), (850, 76994), (1124, 58225), (1370, 47770), (1405, 46580), (1700, 38497), (2329, 28100), (2740, 23885), (2810, 23290), (3425, 19108), (4658, 14050), (4777, 13700), (5620, 11645), (6850, 9554), (7025, 9316)]