216897520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{55331}}^1$

素因数の和:55358

約数の個数: 60

約数和(自身を含む): 586629864

約数和(自身を除く): 369732344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 55331, 110662, 221324, 276655, 387317, 442648, 553310, 774634, 885296, 1106620, 1549268, 1936585, 2213240, 2711219, 3098536, 3873170, 4426480, 5422438, 6197072, 7746340, 10844876, 13556095, 15492680, 21689752, 27112190, 30985360, 43379504, 54224380, 108448760, 216897520]

約数ペア:

[(1, 216897520), (2, 108448760), (4, 54224380), (5, 43379504), (7, 30985360), (8, 27112190), (10, 21689752), (14, 15492680), (16, 13556095), (20, 10844876), (28, 7746340), (35, 6197072), (40, 5422438), (49, 4426480), (56, 3873170), (70, 3098536), (80, 2711219), (98, 2213240), (112, 1936585), (140, 1549268), (196, 1106620), (245, 885296), (280, 774634), (392, 553310), (490, 442648), (560, 387317), (784, 276655), (980, 221324), (1960, 110662), (3920, 55331)]