388920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{463}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 1336320

約数和(自身を除く): 947400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 463, 840, 926, 1389, 1852, 2315, 2778, 3241, 3704, 4630, 5556, 6482, 6945, 9260, 9723, 11112, 12964, 13890, 16205, 18520, 19446, 25928, 27780, 32410, 38892, 48615, 55560, 64820, 77784, 97230, 129640, 194460, 388920]

約数ペア:

[(1, 388920), (2, 194460), (3, 129640), (4, 97230), (5, 77784), (6, 64820), (7, 55560), (8, 48615), (10, 38892), (12, 32410), (14, 27780), (15, 25928), (20, 19446), (21, 18520), (24, 16205), (28, 13890), (30, 12964), (35, 11112), (40, 9723), (42, 9260), (56, 6945), (60, 6482), (70, 5556), (84, 4630), (105, 3704), (120, 3241), (140, 2778), (168, 2315), (210, 1852), (280, 1389), (420, 926), (463, 840)]