165750340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{9949}}^1$

素因数の和:9989

約数の個数: 72

約数和(自身を含む): 428765400

約数和(自身を除く): 263015060

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 4165, 8330, 9949, 16660, 19898, 39796, 49745, 69643, 99490, 139286, 169133, 198980, 278572, 338266, 348215, 487501, 676532, 696430, 845665, 975002, 1183931, 1392860, 1691330, 1950004, 2367862, 2437505, 3382660, 4735724, 4875010, 5919655, 8287517, 9750020, 11839310, 16575034, 23678620, 33150068, 41437585, 82875170, 165750340]

約数ペア:

[(1, 165750340), (2, 82875170), (4, 41437585), (5, 33150068), (7, 23678620), (10, 16575034), (14, 11839310), (17, 9750020), (20, 8287517), (28, 5919655), (34, 4875010), (35, 4735724), (49, 3382660), (68, 2437505), (70, 2367862), (85, 1950004), (98, 1691330), (119, 1392860), (140, 1183931), (170, 975002), (196, 845665), (238, 696430), (245, 676532), (340, 487501), (476, 348215), (490, 338266), (595, 278572), (833, 198980), (980, 169133), (1190, 139286), (1666, 99490), (2380, 69643), (3332, 49745), (4165, 39796), (8330, 19898), (9949, 16660)]