30689828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 61916400

約数和(自身を除く): 31226572

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 149, 221, 233, 298, 442, 466, 596, 884, 932, 1937, 2533, 3029, 3874, 3961, 5066, 6058, 7748, 7922, 10132, 12116, 15844, 32929, 34717, 51493, 65858, 69434, 102986, 131716, 138868, 205972, 451321, 590189, 902642, 1180378, 1805284, 2360756, 7672457, 15344914, 30689828]

約数ペア:

[(1, 30689828), (2, 15344914), (4, 7672457), (13, 2360756), (17, 1805284), (26, 1180378), (34, 902642), (52, 590189), (68, 451321), (149, 205972), (221, 138868), (233, 131716), (298, 102986), (442, 69434), (466, 65858), (596, 51493), (884, 34717), (932, 32929), (1937, 15844), (2533, 12116), (3029, 10132), (3874, 7922), (3961, 7748), (5066, 6058)]