47521540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:373

約数の個数: 72

約数和(自身を含む): 111608280

約数和(自身を除く): 64086740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 121, 146, 220, 242, 269, 292, 365, 484, 538, 605, 730, 803, 1076, 1210, 1345, 1460, 1606, 2420, 2690, 2959, 3212, 4015, 5380, 5918, 8030, 8833, 11836, 14795, 16060, 17666, 19637, 29590, 32549, 35332, 39274, 44165, 59180, 65098, 78548, 88330, 98185, 130196, 162745, 176660, 196370, 216007, 325490, 392740, 432014, 650980, 864028, 1080035, 2160070, 2376077, 4320140, 4752154, 9504308, 11880385, 23760770, 47521540]

約数ペア:

[(1, 47521540), (2, 23760770), (4, 11880385), (5, 9504308), (10, 4752154), (11, 4320140), (20, 2376077), (22, 2160070), (44, 1080035), (55, 864028), (73, 650980), (110, 432014), (121, 392740), (146, 325490), (220, 216007), (242, 196370), (269, 176660), (292, 162745), (365, 130196), (484, 98185), (538, 88330), (605, 78548), (730, 65098), (803, 59180), (1076, 44165), (1210, 39274), (1345, 35332), (1460, 32549), (1606, 29590), (2420, 19637), (2690, 17666), (2959, 16060), (3212, 14795), (4015, 11836), (5380, 8833), (5918, 8030)]