30339220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 70401240

約数和(自身を除く): 40062020

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 181, 289, 290, 340, 362, 493, 578, 580, 724, 905, 986, 1156, 1445, 1810, 1972, 2465, 2890, 3077, 3620, 4930, 5249, 5780, 6154, 8381, 9860, 10498, 12308, 15385, 16762, 20996, 26245, 30770, 33524, 41905, 52309, 52490, 61540, 83810, 89233, 104618, 104980, 167620, 178466, 209236, 261545, 356932, 446165, 523090, 892330, 1046180, 1516961, 1784660, 3033922, 6067844, 7584805, 15169610, 30339220]

約数ペア:

[(1, 30339220), (2, 15169610), (4, 7584805), (5, 6067844), (10, 3033922), (17, 1784660), (20, 1516961), (29, 1046180), (34, 892330), (58, 523090), (68, 446165), (85, 356932), (116, 261545), (145, 209236), (170, 178466), (181, 167620), (289, 104980), (290, 104618), (340, 89233), (362, 83810), (493, 61540), (578, 52490), (580, 52309), (724, 41905), (905, 33524), (986, 30770), (1156, 26245), (1445, 20996), (1810, 16762), (1972, 15385), (2465, 12308), (2890, 10498), (3077, 9860), (3620, 8381), (4930, 6154), (5249, 5780)]