165571780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{5051}}^1$

素因数の和:5220

約数の個数: 48

約数和(自身を含む): 381931200

約数和(自身を除く): 216359420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 745, 1490, 1639, 2980, 3278, 5051, 6556, 8195, 10102, 16390, 20204, 25255, 32780, 50510, 55561, 101020, 111122, 222244, 277805, 555610, 752599, 1111220, 1505198, 3010396, 3762995, 7525990, 8278589, 15051980, 16557178, 33114356, 41392945, 82785890, 165571780]

約数ペア:

[(1, 165571780), (2, 82785890), (4, 41392945), (5, 33114356), (10, 16557178), (11, 15051980), (20, 8278589), (22, 7525990), (44, 3762995), (55, 3010396), (110, 1505198), (149, 1111220), (220, 752599), (298, 555610), (596, 277805), (745, 222244), (1490, 111122), (1639, 101020), (2980, 55561), (3278, 50510), (5051, 32780), (6556, 25255), (8195, 20204), (10102, 16390)]