198853220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{919}}^1$

素因数の和:1308

約数の個数: 48

約数和(自身を含む): 432768000

約数和(自身を除く): 233914780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 349, 620, 698, 919, 1396, 1745, 1838, 3490, 3676, 4595, 6980, 9190, 10819, 18380, 21638, 28489, 43276, 54095, 56978, 108190, 113956, 142445, 216380, 284890, 320731, 569780, 641462, 1282924, 1603655, 3207310, 6414620, 9942661, 19885322, 39770644, 49713305, 99426610, 198853220]

約数ペア:

[(1, 198853220), (2, 99426610), (4, 49713305), (5, 39770644), (10, 19885322), (20, 9942661), (31, 6414620), (62, 3207310), (124, 1603655), (155, 1282924), (310, 641462), (349, 569780), (620, 320731), (698, 284890), (919, 216380), (1396, 142445), (1745, 113956), (1838, 108190), (3490, 56978), (3676, 54095), (4595, 43276), (6980, 28489), (9190, 21638), (10819, 18380)]