219904020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{174527}}^1$

素因数の和:174549

約数の個数: 72

約数和(自身を含む): 762338304

約数和(自身を除く): 542434284

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 174527, 349054, 523581, 698108, 872635, 1047162, 1221689, 1570743, 1745270, 2094324, 2443378, 2617905, 3141486, 3490540, 3665067, 4886756, 5235810, 6108445, 6282972, 7330134, 7853715, 10471620, 10995201, 12216890, 14660268, 15707430, 18325335, 21990402, 24433780, 31414860, 36650670, 43980804, 54976005, 73301340, 109952010, 219904020]

約数ペア:

[(1, 219904020), (2, 109952010), (3, 73301340), (4, 54976005), (5, 43980804), (6, 36650670), (7, 31414860), (9, 24433780), (10, 21990402), (12, 18325335), (14, 15707430), (15, 14660268), (18, 12216890), (20, 10995201), (21, 10471620), (28, 7853715), (30, 7330134), (35, 6282972), (36, 6108445), (42, 5235810), (45, 4886756), (60, 3665067), (63, 3490540), (70, 3141486), (84, 2617905), (90, 2443378), (105, 2094324), (126, 1745270), (140, 1570743), (180, 1221689), (210, 1047162), (252, 872635), (315, 698108), (420, 523581), (630, 349054), (1260, 174527)]