388416225

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{251}}^1\times {\mathrm{439}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 659957760

約数和(自身を除く): 271541535

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 251, 439, 705, 753, 1175, 1255, 1317, 2195, 3525, 3765, 6275, 6585, 10975, 11797, 18825, 20633, 32925, 35391, 58985, 61899, 103165, 110189, 176955, 294925, 309495, 330567, 515825, 550945, 884775, 1547475, 1652835, 2754725, 5178883, 8264175, 15536649, 25894415, 77683245, 129472075, 388416225]

約数ペア:

[(1, 388416225), (3, 129472075), (5, 77683245), (15, 25894415), (25, 15536649), (47, 8264175), (75, 5178883), (141, 2754725), (235, 1652835), (251, 1547475), (439, 884775), (705, 550945), (753, 515825), (1175, 330567), (1255, 309495), (1317, 294925), (2195, 176955), (3525, 110189), (3765, 103165), (6275, 61899), (6585, 58985), (10975, 35391), (11797, 32925), (18825, 20633)]