201921410

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:791

約数の個数: 48

約数和(自身を含む): 390246120

約数和(自身を除く): 188324710

約数列:

[1, 2, 5, 10, 17, 34, 85, 109, 170, 218, 289, 545, 578, 641, 1090, 1282, 1445, 1853, 2890, 3205, 3706, 6410, 9265, 10897, 18530, 21794, 31501, 54485, 63002, 69869, 108970, 139738, 157505, 185249, 315010, 349345, 370498, 698690, 926245, 1187773, 1852490, 2375546, 5938865, 11877730, 20192141, 40384282, 100960705, 201921410]

約数ペア:

[(1, 201921410), (2, 100960705), (5, 40384282), (10, 20192141), (17, 11877730), (34, 5938865), (85, 2375546), (109, 1852490), (170, 1187773), (218, 926245), (289, 698690), (545, 370498), (578, 349345), (641, 315010), (1090, 185249), (1282, 157505), (1445, 139738), (1853, 108970), (2890, 69869), (3205, 63002), (3706, 54485), (6410, 31501), (9265, 21794), (10897, 18530)]