388431030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{21191}}^1$

素因数の和:21261

約数の個数: 64

約数和(自身を含む): 1025353728

約数和(自身を除く): 636922698

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 47, 65, 78, 94, 130, 141, 195, 235, 282, 390, 470, 611, 705, 1222, 1410, 1833, 3055, 3666, 6110, 9165, 18330, 21191, 42382, 63573, 105955, 127146, 211910, 275483, 317865, 550966, 635730, 826449, 995977, 1377415, 1652898, 1991954, 2754830, 2987931, 4132245, 4979885, 5975862, 8264490, 9959770, 12947701, 14939655, 25895402, 29879310, 38843103, 64738505, 77686206, 129477010, 194215515, 388431030]

約数ペア:

[(1, 388431030), (2, 194215515), (3, 129477010), (5, 77686206), (6, 64738505), (10, 38843103), (13, 29879310), (15, 25895402), (26, 14939655), (30, 12947701), (39, 9959770), (47, 8264490), (65, 5975862), (78, 4979885), (94, 4132245), (130, 2987931), (141, 2754830), (195, 1991954), (235, 1652898), (282, 1377415), (390, 995977), (470, 826449), (611, 635730), (705, 550966), (1222, 317865), (1410, 275483), (1833, 211910), (3055, 127146), (3666, 105955), (6110, 63573), (9165, 42382), (18330, 21191)]