282987980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{11801}}^1$

素因数の和:11930

約数の個数: 48

約数和(自身を含む): 654302880

約数和(自身を除く): 371314900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 4796, 5995, 11801, 11990, 23602, 23980, 47204, 59005, 118010, 129811, 236020, 259622, 519244, 649055, 1286309, 1298110, 2572618, 2596220, 5145236, 6431545, 12863090, 14149399, 25726180, 28298798, 56597596, 70746995, 141493990, 282987980]

約数ペア:

[(1, 282987980), (2, 141493990), (4, 70746995), (5, 56597596), (10, 28298798), (11, 25726180), (20, 14149399), (22, 12863090), (44, 6431545), (55, 5145236), (109, 2596220), (110, 2572618), (218, 1298110), (220, 1286309), (436, 649055), (545, 519244), (1090, 259622), (1199, 236020), (2180, 129811), (2398, 118010), (4796, 59005), (5995, 47204), (11801, 23980), (11990, 23602)]