28945930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11719}}^1$

素因数の和:11758

約数の個数: 32

約数和(自身を含む): 59068800

約数和(自身を除く): 30122870

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 11719, 23438, 58595, 117190, 152347, 222661, 304694, 445322, 761735, 1113305, 1523470, 2226610, 2894593, 5789186, 14472965, 28945930]

約数ペア:

[(1, 28945930), (2, 14472965), (5, 5789186), (10, 2894593), (13, 2226610), (19, 1523470), (26, 1113305), (38, 761735), (65, 445322), (95, 304694), (130, 222661), (190, 152347), (247, 117190), (494, 58595), (1235, 23438), (2470, 11719)]