251014660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:425

約数の個数: 96

約数和(自身を含む): 591222240

約数和(自身を除く): 340207580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 97, 130, 148, 185, 194, 260, 269, 370, 388, 481, 485, 538, 740, 962, 970, 1076, 1261, 1345, 1924, 1940, 2405, 2522, 2690, 3497, 3589, 4810, 5044, 5380, 6305, 6994, 7178, 9620, 9953, 12610, 13988, 14356, 17485, 17945, 19906, 25220, 26093, 34970, 35890, 39812, 46657, 49765, 52186, 69940, 71780, 93314, 99530, 104372, 129389, 130465, 186628, 199060, 233285, 258778, 260930, 339209, 466570, 517556, 521860, 646945, 678418, 933140, 965441, 1293890, 1356836, 1696045, 1930882, 2587780, 3392090, 3861764, 4827205, 6784180, 9654410, 12550733, 19308820, 25101466, 50202932, 62753665, 125507330, 251014660]

約数ペア:

[(1, 251014660), (2, 125507330), (4, 62753665), (5, 50202932), (10, 25101466), (13, 19308820), (20, 12550733), (26, 9654410), (37, 6784180), (52, 4827205), (65, 3861764), (74, 3392090), (97, 2587780), (130, 1930882), (148, 1696045), (185, 1356836), (194, 1293890), (260, 965441), (269, 933140), (370, 678418), (388, 646945), (481, 521860), (485, 517556), (538, 466570), (740, 339209), (962, 260930), (970, 258778), (1076, 233285), (1261, 199060), (1345, 186628), (1924, 130465), (1940, 129389), (2405, 104372), (2522, 99530), (2690, 93314), (3497, 71780), (3589, 69940), (4810, 52186), (5044, 49765), (5380, 46657), (6305, 39812), (6994, 35890), (7178, 34970), (9620, 26093), (9953, 25220), (12610, 19906), (13988, 17945), (14356, 17485)]