12938900

素因数分解:

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

素因数の和:333

約数の個数: 72

約数和(自身を含む): 31169880

約数和(自身を除く): 18230980

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 37, 50, 52, 65, 74, 100, 130, 148, 185, 260, 269, 325, 370, 481, 538, 650, 740, 925, 962, 1076, 1300, 1345, 1850, 1924, 2405, 2690, 3497, 3700, 4810, 5380, 6725, 6994, 9620, 9953, 12025, 13450, 13988, 17485, 19906, 24050, 26900, 34970, 39812, 48100, 49765, 69940, 87425, 99530, 129389, 174850, 199060, 248825, 258778, 349700, 497650, 517556, 646945, 995300, 1293890, 2587780, 3234725, 6469450, 12938900]

約数ペア:

[(1, 12938900), (2, 6469450), (4, 3234725), (5, 2587780), (10, 1293890), (13, 995300), (20, 646945), (25, 517556), (26, 497650), (37, 349700), (50, 258778), (52, 248825), (65, 199060), (74, 174850), (100, 129389), (130, 99530), (148, 87425), (185, 69940), (260, 49765), (269, 48100), (325, 39812), (370, 34970), (481, 26900), (538, 24050), (650, 19906), (740, 17485), (925, 13988), (962, 13450), (1076, 12025), (1300, 9953), (1345, 9620), (1850, 6994), (1924, 6725), (2405, 5380), (2690, 4810), (3497, 3700)]