201878860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{2657}}^1$

素因数の和:2826

約数の個数: 48

約数和(自身を含む): 442078560

約数和(自身を除く): 240199700

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 131, 145, 262, 290, 524, 580, 655, 1310, 2620, 2657, 3799, 5314, 7598, 10628, 13285, 15196, 18995, 26570, 37990, 53140, 75980, 77053, 154106, 308212, 348067, 385265, 696134, 770530, 1392268, 1541060, 1740335, 3480670, 6961340, 10093943, 20187886, 40375772, 50469715, 100939430, 201878860]

約数ペア:

[(1, 201878860), (2, 100939430), (4, 50469715), (5, 40375772), (10, 20187886), (20, 10093943), (29, 6961340), (58, 3480670), (116, 1740335), (131, 1541060), (145, 1392268), (262, 770530), (290, 696134), (524, 385265), (580, 348067), (655, 308212), (1310, 154106), (2620, 77053), (2657, 75980), (3799, 53140), (5314, 37990), (7598, 26570), (10628, 18995), (13285, 15196)]