804524140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{20023}}^1$

素因数の和:20087

約数の個数: 72

約数和(自身を含む): 2013373152

約数和(自身を除く): 1208849012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1435, 2009, 2870, 4018, 5740, 8036, 10045, 20023, 20090, 40046, 40180, 80092, 100115, 140161, 200230, 280322, 400460, 560644, 700805, 820943, 981127, 1401610, 1641886, 1962254, 2803220, 3283772, 3924508, 4104715, 4905635, 5746601, 8209430, 9811270, 11493202, 16418860, 19622540, 22986404, 28733005, 40226207, 57466010, 80452414, 114932020, 160904828, 201131035, 402262070, 804524140]

約数ペア:

[(1, 804524140), (2, 402262070), (4, 201131035), (5, 160904828), (7, 114932020), (10, 80452414), (14, 57466010), (20, 40226207), (28, 28733005), (35, 22986404), (41, 19622540), (49, 16418860), (70, 11493202), (82, 9811270), (98, 8209430), (140, 5746601), (164, 4905635), (196, 4104715), (205, 3924508), (245, 3283772), (287, 2803220), (410, 1962254), (490, 1641886), (574, 1401610), (820, 981127), (980, 820943), (1148, 700805), (1435, 560644), (2009, 400460), (2870, 280322), (4018, 200230), (5740, 140161), (8036, 100115), (10045, 80092), (20023, 40180), (20090, 40046)]