128270860

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1787}}^1$

素因数の和:1930

約数の個数: 48

約数和(自身を含む): 279657504

約数和(自身を除く): 151386644

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 97, 148, 185, 194, 370, 388, 485, 740, 970, 1787, 1940, 3574, 3589, 7148, 7178, 8935, 14356, 17870, 17945, 35740, 35890, 66119, 71780, 132238, 173339, 264476, 330595, 346678, 661190, 693356, 866695, 1322380, 1733390, 3466780, 6413543, 12827086, 25654172, 32067715, 64135430, 128270860]

約数ペア:

[(1, 128270860), (2, 64135430), (4, 32067715), (5, 25654172), (10, 12827086), (20, 6413543), (37, 3466780), (74, 1733390), (97, 1322380), (148, 866695), (185, 693356), (194, 661190), (370, 346678), (388, 330595), (485, 264476), (740, 173339), (970, 132238), (1787, 71780), (1940, 66119), (3574, 35890), (3589, 35740), (7148, 17945), (7178, 17870), (8935, 14356)]