73286780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{3821}}^1$

素因数の和:3974

約数の個数: 48

約数和(自身を含む): 177218496

約数和(自身を除く): 103931716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2740, 3821, 3836, 4795, 7642, 9590, 15284, 19105, 19180, 26747, 38210, 53494, 76420, 106988, 133735, 267470, 523477, 534940, 1046954, 2093908, 2617385, 3664339, 5234770, 7328678, 10469540, 14657356, 18321695, 36643390, 73286780]

約数ペア:

[(1, 73286780), (2, 36643390), (4, 18321695), (5, 14657356), (7, 10469540), (10, 7328678), (14, 5234770), (20, 3664339), (28, 2617385), (35, 2093908), (70, 1046954), (137, 534940), (140, 523477), (274, 267470), (548, 133735), (685, 106988), (959, 76420), (1370, 53494), (1918, 38210), (2740, 26747), (3821, 19180), (3836, 19105), (4795, 15284), (7642, 9590)]