2012315090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{42989}}^1$

素因数の和:43178

約数の個数: 32

約数和(自身を含む): 3763860480

約数和(自身を除く): 1751545390

約数列:

[1, 2, 5, 10, 31, 62, 151, 155, 302, 310, 755, 1510, 4681, 9362, 23405, 42989, 46810, 85978, 214945, 429890, 1332659, 2665318, 6491339, 6663295, 12982678, 13326590, 32456695, 64913390, 201231509, 402463018, 1006157545, 2012315090]

約数ペア:

[(1, 2012315090), (2, 1006157545), (5, 402463018), (10, 201231509), (31, 64913390), (62, 32456695), (151, 13326590), (155, 12982678), (302, 6663295), (310, 6491339), (755, 2665318), (1510, 1332659), (4681, 429890), (9362, 214945), (23405, 85978), (42989, 46810)]