255420230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103409}}^1$

素因数の和:103448

約数の個数: 32

約数和(自身を含む): 521186400

約数和(自身を除く): 265766170

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 103409, 206818, 517045, 1034090, 1344317, 1964771, 2688634, 3929542, 6721585, 9823855, 13443170, 19647710, 25542023, 51084046, 127710115, 255420230]

約数ペア:

[(1, 255420230), (2, 127710115), (5, 51084046), (10, 25542023), (13, 19647710), (19, 13443170), (26, 9823855), (38, 6721585), (65, 3929542), (95, 2688634), (130, 1964771), (190, 1344317), (247, 1034090), (494, 517045), (1235, 206818), (2470, 103409)]