77775970

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{997}}^1$

素因数の和:1302

約数の個数: 32

約数和(自身を含む): 145508400

約数和(自身を除く): 67732430

約数列:

[1, 2, 5, 10, 29, 58, 145, 269, 290, 538, 997, 1345, 1994, 2690, 4985, 7801, 9970, 15602, 28913, 39005, 57826, 78010, 144565, 268193, 289130, 536386, 1340965, 2681930, 7777597, 15555194, 38887985, 77775970]

約数ペア:

[(1, 77775970), (2, 38887985), (5, 15555194), (10, 7777597), (29, 2681930), (58, 1340965), (145, 536386), (269, 289130), (290, 268193), (538, 144565), (997, 78010), (1345, 57826), (1994, 39005), (2690, 28913), (4985, 15602), (7801, 9970)]