437119280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{420307}}^1$

素因数の和:420333

約数の個数: 40

約数和(自身を含む): 1094482032

約数和(自身を除く): 657362752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 420307, 840614, 1681228, 2101535, 3362456, 4203070, 5463991, 6724912, 8406140, 10927982, 16812280, 21855964, 27319955, 33624560, 43711928, 54639910, 87423856, 109279820, 218559640, 437119280]

約数ペア:

[(1, 437119280), (2, 218559640), (4, 109279820), (5, 87423856), (8, 54639910), (10, 43711928), (13, 33624560), (16, 27319955), (20, 21855964), (26, 16812280), (40, 10927982), (52, 8406140), (65, 6724912), (80, 5463991), (104, 4203070), (130, 3362456), (208, 2101535), (260, 1681228), (520, 840614), (1040, 420307)]