285418900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1213}}^1$

素因数の和:1421

約数の個数: 72

約数和(自身を含む): 671240024

約数和(自身を除く): 385821124

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 181, 260, 325, 362, 650, 724, 905, 1213, 1300, 1810, 2353, 2426, 3620, 4525, 4706, 4852, 6065, 9050, 9412, 11765, 12130, 15769, 18100, 23530, 24260, 30325, 31538, 47060, 58825, 60650, 63076, 78845, 117650, 121300, 157690, 219553, 235300, 315380, 394225, 439106, 788450, 878212, 1097765, 1576900, 2195530, 2854189, 4391060, 5488825, 5708378, 10977650, 11416756, 14270945, 21955300, 28541890, 57083780, 71354725, 142709450, 285418900]

約数ペア:

[(1, 285418900), (2, 142709450), (4, 71354725), (5, 57083780), (10, 28541890), (13, 21955300), (20, 14270945), (25, 11416756), (26, 10977650), (50, 5708378), (52, 5488825), (65, 4391060), (100, 2854189), (130, 2195530), (181, 1576900), (260, 1097765), (325, 878212), (362, 788450), (650, 439106), (724, 394225), (905, 315380), (1213, 235300), (1300, 219553), (1810, 157690), (2353, 121300), (2426, 117650), (3620, 78845), (4525, 63076), (4706, 60650), (4852, 58825), (6065, 47060), (9050, 31538), (9412, 30325), (11765, 24260), (12130, 23530), (15769, 18100)]