1777702970

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{18013}}^1$

素因数の和:18230

約数の個数: 32

約数和(自身を含む): 3268460160

約数和(自身を除く): 1490757190

約数列:

[1, 2, 5, 10, 71, 139, 142, 278, 355, 695, 710, 1390, 9869, 18013, 19738, 36026, 49345, 90065, 98690, 180130, 1278923, 2503807, 2557846, 5007614, 6394615, 12519035, 12789230, 25038070, 177770297, 355540594, 888851485, 1777702970]

約数ペア:

[(1, 1777702970), (2, 888851485), (5, 355540594), (10, 177770297), (71, 25038070), (139, 12789230), (142, 12519035), (278, 6394615), (355, 5007614), (695, 2557846), (710, 2503807), (1390, 1278923), (9869, 180130), (18013, 98690), (19738, 90065), (36026, 49345)]