918287440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{3209}}^1$

素因数の和:3309

約数の個数: 120

約数和(自身を含む): 2518399080

約数和(自身を除く): 1600111640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 196, 245, 280, 292, 365, 392, 490, 511, 560, 584, 730, 784, 980, 1022, 1168, 1460, 1960, 2044, 2555, 2920, 3209, 3577, 3920, 4088, 5110, 5840, 6418, 7154, 8176, 10220, 12836, 14308, 16045, 17885, 20440, 22463, 25672, 28616, 32090, 35770, 40880, 44926, 51344, 57232, 64180, 71540, 89852, 112315, 128360, 143080, 157241, 179704, 224630, 234257, 256720, 286160, 314482, 359408, 449260, 468514, 628964, 786205, 898520, 937028, 1171285, 1257928, 1572410, 1639799, 1797040, 1874056, 2342570, 2515856, 3144820, 3279598, 3748112, 4685140, 6289640, 6559196, 8198995, 9370280, 11478593, 12579280, 13118392, 16397990, 18740560, 22957186, 26236784, 32795980, 45914372, 57392965, 65591960, 91828744, 114785930, 131183920, 183657488, 229571860, 459143720, 918287440]

約数ペア:

[(1, 918287440), (2, 459143720), (4, 229571860), (5, 183657488), (7, 131183920), (8, 114785930), (10, 91828744), (14, 65591960), (16, 57392965), (20, 45914372), (28, 32795980), (35, 26236784), (40, 22957186), (49, 18740560), (56, 16397990), (70, 13118392), (73, 12579280), (80, 11478593), (98, 9370280), (112, 8198995), (140, 6559196), (146, 6289640), (196, 4685140), (245, 3748112), (280, 3279598), (292, 3144820), (365, 2515856), (392, 2342570), (490, 1874056), (511, 1797040), (560, 1639799), (584, 1572410), (730, 1257928), (784, 1171285), (980, 937028), (1022, 898520), (1168, 786205), (1460, 628964), (1960, 468514), (2044, 449260), (2555, 359408), (2920, 314482), (3209, 286160), (3577, 256720), (3920, 234257), (4088, 224630), (5110, 179704), (5840, 157241), (6418, 143080), (7154, 128360), (8176, 112315), (10220, 89852), (12836, 71540), (14308, 64180), (16045, 57232), (17885, 51344), (20440, 44926), (22463, 40880), (25672, 35770), (28616, 32090)]