201723950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^2\times {\mathrm{61}}^1$

素因数の和:210

約数の個数: 72

約数和(自身を含む): 408348120

約数和(自身を除く): 206624170

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 59, 61, 95, 118, 122, 190, 295, 305, 475, 590, 610, 950, 1121, 1159, 1475, 1525, 2242, 2318, 2950, 3050, 3481, 3599, 5605, 5795, 6962, 7198, 11210, 11590, 17405, 17995, 28025, 28975, 34810, 35990, 56050, 57950, 66139, 68381, 87025, 89975, 132278, 136762, 174050, 179950, 212341, 330695, 341905, 424682, 661390, 683810, 1061705, 1653475, 1709525, 2123410, 3306950, 3419050, 4034479, 5308525, 8068958, 10617050, 20172395, 40344790, 100861975, 201723950]

約数ペア:

[(1, 201723950), (2, 100861975), (5, 40344790), (10, 20172395), (19, 10617050), (25, 8068958), (38, 5308525), (50, 4034479), (59, 3419050), (61, 3306950), (95, 2123410), (118, 1709525), (122, 1653475), (190, 1061705), (295, 683810), (305, 661390), (475, 424682), (590, 341905), (610, 330695), (950, 212341), (1121, 179950), (1159, 174050), (1475, 136762), (1525, 132278), (2242, 89975), (2318, 87025), (2950, 68381), (3050, 66139), (3481, 57950), (3599, 56050), (5605, 35990), (5795, 34810), (6962, 28975), (7198, 28025), (11210, 17995), (11590, 17405)]