211650640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2753}}^1$

素因数の和:2828

約数の個数: 60

約数和(自身を含む): 508658292

約数和(自身を除く): 297007652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 961, 1240, 1922, 2480, 2753, 3844, 4805, 5506, 7688, 9610, 11012, 13765, 15376, 19220, 22024, 27530, 38440, 44048, 55060, 76880, 85343, 110120, 170686, 220240, 341372, 426715, 682744, 853430, 1365488, 1706860, 2645633, 3413720, 5291266, 6827440, 10582532, 13228165, 21165064, 26456330, 42330128, 52912660, 105825320, 211650640]

約数ペア:

[(1, 211650640), (2, 105825320), (4, 52912660), (5, 42330128), (8, 26456330), (10, 21165064), (16, 13228165), (20, 10582532), (31, 6827440), (40, 5291266), (62, 3413720), (80, 2645633), (124, 1706860), (155, 1365488), (248, 853430), (310, 682744), (496, 426715), (620, 341372), (961, 220240), (1240, 170686), (1922, 110120), (2480, 85343), (2753, 76880), (3844, 55060), (4805, 44048), (5506, 38440), (7688, 27530), (9610, 22024), (11012, 19220), (13765, 15376)]