39790450

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:284

約数の個数: 72

約数和(自身を含む): 87466500

約数和(自身を除く): 47676050

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 109, 149, 175, 218, 245, 298, 350, 490, 545, 745, 763, 1043, 1090, 1225, 1490, 1526, 2086, 2450, 2725, 3725, 3815, 5215, 5341, 5450, 7301, 7450, 7630, 10430, 10682, 14602, 16241, 19075, 26075, 26705, 32482, 36505, 38150, 52150, 53410, 73010, 81205, 113687, 133525, 162410, 182525, 227374, 267050, 365050, 406025, 568435, 795809, 812050, 1136870, 1591618, 2842175, 3979045, 5684350, 7958090, 19895225, 39790450]

約数ペア:

[(1, 39790450), (2, 19895225), (5, 7958090), (7, 5684350), (10, 3979045), (14, 2842175), (25, 1591618), (35, 1136870), (49, 812050), (50, 795809), (70, 568435), (98, 406025), (109, 365050), (149, 267050), (175, 227374), (218, 182525), (245, 162410), (298, 133525), (350, 113687), (490, 81205), (545, 73010), (745, 53410), (763, 52150), (1043, 38150), (1090, 36505), (1225, 32482), (1490, 26705), (1526, 26075), (2086, 19075), (2450, 16241), (2725, 14602), (3725, 10682), (3815, 10430), (5215, 7630), (5341, 7450), (5450, 7301)]