219870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{349}}^1$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 655200

約数和(自身を除く): 435330

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 349, 630, 698, 1047, 1745, 2094, 2443, 3141, 3490, 4886, 5235, 6282, 7329, 10470, 12215, 14658, 15705, 21987, 24430, 31410, 36645, 43974, 73290, 109935, 219870]

約数ペア:

[(1, 219870), (2, 109935), (3, 73290), (5, 43974), (6, 36645), (7, 31410), (9, 24430), (10, 21987), (14, 15705), (15, 14658), (18, 12215), (21, 10470), (30, 7329), (35, 6282), (42, 5235), (45, 4886), (63, 3490), (70, 3141), (90, 2443), (105, 2094), (126, 1745), (210, 1047), (315, 698), (349, 630)]