217161420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{12611}}^1$

素因数の和:12671

約数の個数: 96

約数和(自身を含む): 711922176

約数和(自身を除く): 494760756

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 82, 84, 105, 123, 140, 164, 205, 210, 246, 287, 410, 420, 492, 574, 615, 820, 861, 1148, 1230, 1435, 1722, 2460, 2870, 3444, 4305, 5740, 8610, 12611, 17220, 25222, 37833, 50444, 63055, 75666, 88277, 126110, 151332, 176554, 189165, 252220, 264831, 353108, 378330, 441385, 517051, 529662, 756660, 882770, 1034102, 1059324, 1324155, 1551153, 1765540, 2068204, 2585255, 2648310, 3102306, 3619357, 5170510, 5296620, 6204612, 7238714, 7755765, 10341020, 10858071, 14477428, 15511530, 18096785, 21716142, 31023060, 36193570, 43432284, 54290355, 72387140, 108580710, 217161420]

約数ペア:

[(1, 217161420), (2, 108580710), (3, 72387140), (4, 54290355), (5, 43432284), (6, 36193570), (7, 31023060), (10, 21716142), (12, 18096785), (14, 15511530), (15, 14477428), (20, 10858071), (21, 10341020), (28, 7755765), (30, 7238714), (35, 6204612), (41, 5296620), (42, 5170510), (60, 3619357), (70, 3102306), (82, 2648310), (84, 2585255), (105, 2068204), (123, 1765540), (140, 1551153), (164, 1324155), (205, 1059324), (210, 1034102), (246, 882770), (287, 756660), (410, 529662), (420, 517051), (492, 441385), (574, 378330), (615, 353108), (820, 264831), (861, 252220), (1148, 189165), (1230, 176554), (1435, 151332), (1722, 126110), (2460, 88277), (2870, 75666), (3444, 63055), (4305, 50444), (5740, 37833), (8610, 25222), (12611, 17220)]