1221483220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{7823}}^1$

素因数の和:8080

約数の個数: 48

約数和(自身を含む): 2647266048

約数和(自身を除く): 1425782828

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 211, 370, 422, 740, 844, 1055, 2110, 4220, 7807, 7823, 15614, 15646, 31228, 31292, 39035, 39115, 78070, 78230, 156140, 156460, 289451, 578902, 1157804, 1447255, 1650653, 2894510, 3301306, 5789020, 6602612, 8253265, 16506530, 33013060, 61074161, 122148322, 244296644, 305370805, 610741610, 1221483220]

約数ペア:

[(1, 1221483220), (2, 610741610), (4, 305370805), (5, 244296644), (10, 122148322), (20, 61074161), (37, 33013060), (74, 16506530), (148, 8253265), (185, 6602612), (211, 5789020), (370, 3301306), (422, 2894510), (740, 1650653), (844, 1447255), (1055, 1157804), (2110, 578902), (4220, 289451), (7807, 156460), (7823, 156140), (15614, 78230), (15646, 78070), (31228, 39115), (31292, 39035)]