285355460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{10069}}^1$

素因数の和:10200

約数の個数: 48

約数和(自身を含む): 651327600

約数和(自身を除く): 365972140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2834, 5668, 7085, 10069, 14170, 20138, 28340, 40276, 50345, 100690, 130897, 201380, 261794, 523588, 654485, 1097521, 1308970, 2195042, 2617940, 4390084, 5487605, 10975210, 14267773, 21950420, 28535546, 57071092, 71338865, 142677730, 285355460]

約数ペア:

[(1, 285355460), (2, 142677730), (4, 71338865), (5, 57071092), (10, 28535546), (13, 21950420), (20, 14267773), (26, 10975210), (52, 5487605), (65, 4390084), (109, 2617940), (130, 2195042), (218, 1308970), (260, 1097521), (436, 654485), (545, 523588), (1090, 261794), (1417, 201380), (2180, 130897), (2834, 100690), (5668, 50345), (7085, 40276), (10069, 28340), (14170, 20138)]