163520620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{1453}}^1$

素因数の和:1810

約数の個数: 48

約数和(自身を含む): 364942368

約数和(自身を除く): 201421748

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 331, 340, 662, 1324, 1453, 1655, 2906, 3310, 5627, 5812, 6620, 7265, 11254, 14530, 22508, 24701, 28135, 29060, 49402, 56270, 98804, 112540, 123505, 247010, 480943, 494020, 961886, 1923772, 2404715, 4809430, 8176031, 9618860, 16352062, 32704124, 40880155, 81760310, 163520620]

約数ペア:

[(1, 163520620), (2, 81760310), (4, 40880155), (5, 32704124), (10, 16352062), (17, 9618860), (20, 8176031), (34, 4809430), (68, 2404715), (85, 1923772), (170, 961886), (331, 494020), (340, 480943), (662, 247010), (1324, 123505), (1453, 112540), (1655, 98804), (2906, 56270), (3310, 49402), (5627, 29060), (5812, 28135), (6620, 24701), (7265, 22508), (11254, 14530)]