66921860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1321}}^1$

素因数の和:1496

約数の個数: 48

約数和(自身を含む): 149914800

約数和(自身を除く): 82992940

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 149, 170, 298, 340, 596, 745, 1321, 1490, 2533, 2642, 2980, 5066, 5284, 6605, 10132, 12665, 13210, 22457, 25330, 26420, 44914, 50660, 89828, 112285, 196829, 224570, 393658, 449140, 787316, 984145, 1968290, 3346093, 3936580, 6692186, 13384372, 16730465, 33460930, 66921860]

約数ペア:

[(1, 66921860), (2, 33460930), (4, 16730465), (5, 13384372), (10, 6692186), (17, 3936580), (20, 3346093), (34, 1968290), (68, 984145), (85, 787316), (149, 449140), (170, 393658), (298, 224570), (340, 196829), (596, 112285), (745, 89828), (1321, 50660), (1490, 44914), (2533, 26420), (2642, 25330), (2980, 22457), (5066, 13210), (5284, 12665), (6605, 10132)]