906808540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1597}}^1$

素因数の和:1735

約数の個数: 96

約数和(自身を含む): 2174558400

約数和(自身を除く): 1267749860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 89, 110, 116, 145, 178, 220, 290, 319, 356, 445, 580, 638, 890, 979, 1276, 1595, 1597, 1780, 1958, 2581, 3190, 3194, 3916, 4895, 5162, 6380, 6388, 7985, 9790, 10324, 12905, 15970, 17567, 19580, 25810, 28391, 31940, 35134, 46313, 51620, 56782, 70268, 87835, 92626, 113564, 141955, 142133, 175670, 185252, 231565, 283910, 284266, 351340, 463130, 509443, 567820, 568532, 710665, 926260, 1018886, 1421330, 1563463, 2037772, 2547215, 2842660, 3126926, 4121857, 5094430, 6253852, 7817315, 8243714, 10188860, 15634630, 16487428, 20609285, 31269260, 41218570, 45340427, 82437140, 90680854, 181361708, 226702135, 453404270, 906808540]

約数ペア:

[(1, 906808540), (2, 453404270), (4, 226702135), (5, 181361708), (10, 90680854), (11, 82437140), (20, 45340427), (22, 41218570), (29, 31269260), (44, 20609285), (55, 16487428), (58, 15634630), (89, 10188860), (110, 8243714), (116, 7817315), (145, 6253852), (178, 5094430), (220, 4121857), (290, 3126926), (319, 2842660), (356, 2547215), (445, 2037772), (580, 1563463), (638, 1421330), (890, 1018886), (979, 926260), (1276, 710665), (1595, 568532), (1597, 567820), (1780, 509443), (1958, 463130), (2581, 351340), (3190, 284266), (3194, 283910), (3916, 231565), (4895, 185252), (5162, 175670), (6380, 142133), (6388, 141955), (7985, 113564), (9790, 92626), (10324, 87835), (12905, 70268), (15970, 56782), (17567, 51620), (19580, 46313), (25810, 35134), (28391, 31940)]