163493420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{7883}}^1$

素因数の和:7970

約数の個数: 48

約数和(自身を含む): 369538848

約数和(自身を除く): 206045428

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1220, 2074, 4148, 5185, 7883, 10370, 15766, 20740, 31532, 39415, 78830, 134011, 157660, 268022, 480863, 536044, 670055, 961726, 1340110, 1923452, 2404315, 2680220, 4808630, 8174671, 9617260, 16349342, 32698684, 40873355, 81746710, 163493420]

約数ペア:

[(1, 163493420), (2, 81746710), (4, 40873355), (5, 32698684), (10, 16349342), (17, 9617260), (20, 8174671), (34, 4808630), (61, 2680220), (68, 2404315), (85, 1923452), (122, 1340110), (170, 961726), (244, 670055), (305, 536044), (340, 480863), (610, 268022), (1037, 157660), (1220, 134011), (2074, 78830), (4148, 39415), (5185, 31532), (7883, 20740), (10370, 15766)]