152805220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{1061}}^1$

素因数の和:1468

約数の個数: 48

約数和(自身を含む): 338990400

約数和(自身を除く): 186185180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 379, 380, 758, 1061, 1516, 1895, 2122, 3790, 4244, 5305, 7201, 7580, 10610, 14402, 20159, 21220, 28804, 36005, 40318, 72010, 80636, 100795, 144020, 201590, 402119, 403180, 804238, 1608476, 2010595, 4021190, 7640261, 8042380, 15280522, 30561044, 38201305, 76402610, 152805220]

約数ペア:

[(1, 152805220), (2, 76402610), (4, 38201305), (5, 30561044), (10, 15280522), (19, 8042380), (20, 7640261), (38, 4021190), (76, 2010595), (95, 1608476), (190, 804238), (379, 403180), (380, 402119), (758, 201590), (1061, 144020), (1516, 100795), (1895, 80636), (2122, 72010), (3790, 40318), (4244, 36005), (5305, 28804), (7201, 21220), (7580, 20159), (10610, 14402)]