320438270

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{21179}}^1$

素因数の和:21292

約数の個数: 32

約数和(自身を含む): 617608800

約数和(自身を除く): 297170530

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 445, 890, 1513, 3026, 7565, 15130, 21179, 42358, 105895, 211790, 360043, 720086, 1800215, 1884931, 3600430, 3769862, 9424655, 18849310, 32043827, 64087654, 160219135, 320438270]

約数ペア:

[(1, 320438270), (2, 160219135), (5, 64087654), (10, 32043827), (17, 18849310), (34, 9424655), (85, 3769862), (89, 3600430), (170, 1884931), (178, 1800215), (445, 720086), (890, 360043), (1513, 211790), (3026, 105895), (7565, 42358), (15130, 21179)]