2789874425540

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{17011}}^1\times {\mathrm{62597}}^1$

素因数の和:79748

約数の個数: 48

約数和(自身を含む): 5903900823744

約数和(自身を除く): 3114026398204

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 17011, 34022, 62597, 68044, 85055, 125194, 170110, 250388, 312985, 340220, 625970, 1251940, 2228441, 4456882, 8200207, 8913764, 11142205, 16400414, 22284410, 32800828, 41001035, 44568820, 82002070, 164004140, 1064837567, 2129675134, 4259350268, 5324187835, 10648375670, 21296751340, 139493721277, 278987442554, 557974885108, 697468606385, 1394937212770, 2789874425540]

約数ペア:

[(1, 2789874425540), (2, 1394937212770), (4, 697468606385), (5, 557974885108), (10, 278987442554), (20, 139493721277), (131, 21296751340), (262, 10648375670), (524, 5324187835), (655, 4259350268), (1310, 2129675134), (2620, 1064837567), (17011, 164004140), (34022, 82002070), (62597, 44568820), (68044, 41001035), (85055, 32800828), (125194, 22284410), (170110, 16400414), (250388, 11142205), (312985, 8913764), (340220, 8200207), (625970, 4456882), (1251940, 2228441)]