490702930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{112289}}^1$

素因数の和:112338

約数の個数: 32

約数和(自身を含む): 970185600

約数和(自身を除く): 479482670

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 112289, 224578, 561445, 1122890, 2133491, 2582647, 4266982, 5165294, 10667455, 12913235, 21334910, 25826470, 49070293, 98140586, 245351465, 490702930]

約数ペア:

[(1, 490702930), (2, 245351465), (5, 98140586), (10, 49070293), (19, 25826470), (23, 21334910), (38, 12913235), (46, 10667455), (95, 5165294), (115, 4266982), (190, 2582647), (230, 2133491), (437, 1122890), (874, 561445), (2185, 224578), (4370, 112289)]