198187660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{659}}^1\times {\mathrm{1367}}^1$

素因数の和:2046

約数の個数: 48

約数和(自身を含む): 455051520

約数和(自身を除く): 256863860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 659, 1318, 1367, 2636, 2734, 3295, 5468, 6590, 6835, 7249, 13180, 13670, 14498, 15037, 27340, 28996, 30074, 36245, 60148, 72490, 75185, 144980, 150370, 300740, 900853, 1801706, 3603412, 4504265, 9008530, 9909383, 18017060, 19818766, 39637532, 49546915, 99093830, 198187660]

約数ペア:

[(1, 198187660), (2, 99093830), (4, 49546915), (5, 39637532), (10, 19818766), (11, 18017060), (20, 9909383), (22, 9008530), (44, 4504265), (55, 3603412), (110, 1801706), (220, 900853), (659, 300740), (1318, 150370), (1367, 144980), (2636, 75185), (2734, 72490), (3295, 60148), (5468, 36245), (6590, 30074), (6835, 28996), (7249, 27340), (13180, 15037), (13670, 14498)]